BIOLOGIA CENTRALI AMERICANA FAUNA AND FLORA, RHYNCHOTA HEMIPTERA HOMOPTERA, V2-2, COCKERELL 1899

Mexico: Tabasco {Townsend; Minatitlan,on Anona,189'8Townsend.. Mexico: TIacotalpam{de la Llave; between Salina Cruz and Tehuantepec inOaxaca Townsend; Yucatan, on Spondias {DondeEuiz.. M

RHYNCHOTA HEMIPTEBA-HOMOPTEBA.

Aleurodicusdugesii, Ckll.Canad Entom.1896,p.302.

Hob Mexico: Guanajuato{Duges}

2 Aleurodicus iridescens

Aleurodicusiridescens, Ckll.Psyche, 1898,p.225

Hah Mexico: Tabasco{Townsend)

3 Aleurodicus mirabilis.

Aleurodesmirabilis, Ckll.Psyche, 1898, pr-agS

Aleurodicusmirabilis, Ckll.Psyche, 1899,p.360

Hab Mexico: Tabasco {Townsend); Minatitlan,on Anona,189'8(Townsend)

1 Aleurodes vinsonioides.

Aleurodesvinsonioides, Ckll.Psyche, 1898,p.225

Eab Mexico: Tabasco{Townsend)

2 Aleurodes nicotiana)

Aleurodes nicotiana, Maskell, Trans.NewZeal Inst.1895,p.436

Hab, Mexico: Guanajuato(i>M^^s)

3 Aleurodes erigeroutis.

Aleurodeserigerontis,Maskell, Trans.NewZeal Inst.1895,p.429

Hab Mexico; Escalon{Cockerell) See Ent.News,1896,p.247

*ByT.D A COCKEEELL

BIOL.CENTR.-AMEE.,Rhynch Homop.,Vol.II.Ft.2,December1899 fi

Llaveia axinus(Llave),Sign Essai surlesCochenilles,p.404(1875); Ckll.Can Ent 1897,p.271.Coccusadipofera,DondeEuiz(Ibarra),LaEmulacion(Merida, Yucatan), ii.pp.174-180 (1879).Abstr.ScientificAmerican,xlii p.10(1880); Sci.Amer.,Suppl.no.184(July 1879); Gaea,

vi.pp.563-566(1870); ColoniesandIndia,26April, 1879,p.9; Lotos,1875(?),pp.199-200Journ, Applied Science,x.pp.24-25 (1879) {cf.Taschenberg,Bibl.Zool.ii.1889,p.1526).Hah Mexico: TIacotalpam{de la Llave); between Salina Cruz and Tehuantepec

inOaxaca (Townsend); Yucatan, on Spondias {DondeEuiz)

Thisinsect iscoral-red($)andiscovered with a finewhitish powder From thefemales isextracted26to28 %oftheirweight of a bright yellowfat,whichissaid to

be themostquicklydrying oleaginous substanceknown.

Dr.A Dugeshas described avar dorsalis,Nat Mex.(2)i.p,160 (1888)

Ortoniabouvari,Sign EssaisurlesCochenilles,p.402(1875)

Uab Guatemala.

Ortonia primitiva,Towns.Journ.N.Y Ent.Soc 1898,p.169

ilab Mexico: CuautlainMorelos[Koehele)

Ortoniamexicanorum,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.430

Hab Mexico: Mixcoac{Koebele)

*ByT.D.A CocKEEELL Nearlyallof the material ofthisfamilyhas passedthroughmy hands A

detailedlist ofMexicanCoccidae,withfood-plantsandlocalities,waspublishedbyProf.C.H.T.TownsendinJourn.N.Y.Ent.Soc,Dec 1897 Since then, fortynewspecieshave beendescribedfrom MexicoinJourn

N Y.Ent Soc, Sept.1898, Ann.&Mag.ofNat History,June 1898, and'Entomologist,'June1898 Iam

responsiblefortheidentificationof thePanamaspeciescollectedby Mr.Dolby-Tyler In workingover the

AgriculturalCoUege.—r.D A.C

MONOPHLEBUS — ICERYA. 3Thefollowingmales maybelongtooneorthe other of the fourspeciesenumerated,

—

S. Expanseofwings about 16millim Head,body,legs,andantennse ferruginous; eyesbrightscarlet

;

abdomenthinly coveredwith cottonysecretion,and presenting eight longfleshycaudal processes covered

withshorthairs. Wingsblack,withthe usualbroadred costaandtwowhitestreaks.

Ilab Panama: Volcande Chiriqui3000feet{Champion)

In sizeand coloration resembles the AfricanM.raddoni,Westw.,but that has thethoracicdorsumpiceous Thisandthetwofollowingmalesare particularly interesting,because they show that the Monophlehus-Yike insects ofCentral America, variouslyreferred to OrtoniaandLlaveia,haveindeed inthe male,aswell as inthe female, thestructure of true MonopJilehus Asfourspeciesareknown from our region fromthefemaleonly,itisprobable thatsomeorallof thesemales belongwith them;hence no names are proposed for the males, although several species have been described informer yearsfromthemalealone

Monophlebus,sp

S Expanse about 10millim Reddish; eyes,thoracic band, ventralsurface ofthorax, andlegs black;antennae verydarkbrown;abdomenbrightscarlet,practically naked,withonly four long fleshy processes,

*whicharebrown Wingsblack,witha redcosta,butno whitestreaks

Hah Panama: Volcande Chiriqui3000feet{Champion)

This departsfromtypicalMonophlebusinhaving only four(instead of eight)caudalprocesses Itmaypossiblybethemaleof Protortonia,inwhichcasethatname mightwellbe usedina subgenericsense

Monophlebus,sp

S. Expanse about 10millim Dullred;head, except the occiput, antennae,legs,andpro-and mesothorax

black; abdomenwitheight fleshy processes, thefirstshorterthantherest ; wingsblack,withthe usual

Hah Mexico: AcaguizotlainGuerrero 3500feet(H.H.Smith)

1 Icerya montserratensis.

leery a montserratemis, Riley&Howard,InsectLife,iii.p.99(1890),

Hah Mexico: IzamalinYucatan(Towwsew(Z)^Tampico{Townsend); Panama, Colon{S.A.Davis)

4 HEMIPTEEA-HOMOPTERA.

3 Icerya purchasi.

Icerya purchasi, Maskell, Trans.NewZeal Inst.xi p.221(1878)

Hah Mexico: Guaymas (Tow;?se^^6Z); ^evmosillo{Townsend); Magdalenaend); Monterey(Tawnsend)

(2bwj«s-This insect exists in two forms, which are probably distinct species The formmaskelli, CklL, is found near Guaymas, and the form crawii at Magdalena. SeeTownsend,Journ N Y.Ent.Soc,Sept.1898, pp.165-167.

Subg Pe©ticerta,CklL

4 Icerya littoralis

Iceryalittoralis,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.429

Hah Mexico: El Faronear Frontera(Townsend); Tehuantepeccity [Townsend)

Avar.mimosce,Ckll.^from Las Minas nearFionteia,(Townsend), hasbeendescribed

by me(loc.cit.).

5 Icerya rileyi

Iceryarileyi,Ckll.Psyche, Dec 1895, Suppl.p.15

Hah Mexico: JuarezinChihuahua(CocJcerell)

Originallydescribedfrom NewMexico

1 Crypticerya rosae

Iceryarosa,Eiley&Howard,InsectJjife, ii p.333,iii.p.93

Hah Mexico: Tehuantepeccity(Townsend)

mexicana, CklL &Parrott,subsp n

$.About7 millim.long,,5broad,4|high Darkred,stainedwithblack in the dorsal region,moreorless

coveredwith white powder;three longitudinalseries(onedorsal,the otherslateral)of rather large patches

ofbright sulphur-yellowsecretion,extending over the anterior halfoftheinsect. Legsblaek

Newly-hatchedlarvasimilartothat of0 rosce,butthelateralhairsbefore the six long caudal ones are notusuallysolong,andthere aretwovery long hairs-oneachsideof thebodyin the cephalothoracic region

Thefollowingmeasurements(in /x) will assist identification :

—

Larva.Legs: coxa 70-74; femur withtrochanter231; tibia239-281;tarsus165; claw 38-41

Larva.Antennae: segments(1)39-49,(2)57-66,(3)66-74,(4)53-57,(5) 49, (6)149-165

Larva.Mediancaudal hairs994-1143ju ;second caudal hairs828-994^; anterior long cephalothoracic hairs

496-579n; posteriorlong cephalothoracic hairs463-496jj,.

Adultfemale.Antennal segments(1)132,(2)99, (3)107-115,(4)82-99,(5)78-82,(6)54-66, (7)54-66

(8) 82, (9) 82, (10)?,(11) 198 Legs: coxa 248-265, femur withtrochanter695-748,tibia636-666^

tarsus 331,claw82 Therearedermalhairsoftwosizes—the larger298fx,the shorter66u.

Hah Mexico: AguasCalientes,May1,1898,onBroso^is, sp.(Townsend).This subspecies has the yellow spots ofC.australis.Mask.,but differs from thatinsectand fromC.rosce inthelateral hairsof thelarva

OETHEZIA.—PSEUDOCOCCUS. 5

ORTHEZIIN^.

1 Orthezia sonorensis.

Orthesiasonorensis, Ckll Bull 4,Techn.Ser.,Div Ent.,U.S.Dept Agric (1896)p 38

Hah Mexico: SanIgnacioinSonora(Tow7isend)

2 Ortheziainsignis

Ortheziainsignis,Douglas, Ent.Monthly Mag.,Jan 1888,p.170(?)(excl.^)

Hah Mexico:Vera Cruz[Cockerell); Guanajuato[Duges);Guadalajara(Townsend) Aguas Calientes (Townsend); Izamal (Townsend); atVera Cruz, on potted plants ofGardenia brought fromOrizaba,April23,1898 (Townsend)

COCCINjE.

Coccus, L.,was first subdivided byGeoffi-oy,who usesChermes(notChermes, Linn.,which isthe propernameforPsylla)forLecanium,&c.,and restricts Coccustothosespecieswhichinthe females "retaintheshape of aninsect." GeoflFroyhas threespeciesunderCoccus,and onlyoneofthese, C ^halaridis,is mentioned in the tenth edition

ofthe 'SystemaNaturae.' Thismust apparently be regardedasthe type of Coccus;

itseemstobe aBijpersia See Proc.Acad.Nat.Sci.Phil.1899,p.260

1 Pseudococcus cacti

Coccuscacti,Burm Handb.derEnt.ii p.72(1839) (neeLinn.)

Hab Mexico; Guatemala; Honduras; Salvador; Nicaragua

For a discussion of its detailed distribution, see Edward Wiepen, JB d Hohere

Biirgerschule de StadtKoln,1889 Burmeister's typewas fromMexico

The insect described as Coccus cacti byLinnaeus,Syst.Nat.ed.x p 457,which hereceivedfrom DanielRolander,isaMonophlebid,as canreadilybe seen byconsultingDeGeer'sfiguresof specimensfromthesamesource The Linnean descriptionisfullenough toshowthathis insectwas not the cochineal Burmeister's description,andalso his references,pertaintothe truecochineal

6 HEMIPTEEA-HOMOPTERA.

3 Fseudococcus confasus.

Coccusconfusus, Ckll.Amer.Nat 1893,p.1013

Hob Mexico: Cuautla, July 25, 1897 (Koehele, in coll U.S.Dep Agric, det.Pergande)

Describedfrom NewMexico

1 Eriococcus dubius.

Eriococcusdubius, Ckll.Bull.4,Techn.Ser.,Div Ent., Dept Agric (1896)p.37

Hal Mexico: Valles (Townsend)

2 Eriococcus quercus.

Rhizococcusquercus,Comst Kep.U.S.Dept Agric.for1880(1881),p.340

Eah North America,Florida

—

Mexico, Guanajuato(Buges)

OriginallydescribedfromFlorida

1 Cerococcus corticis

Cerococcuscorticis,Towns.&Ckll.Journ.N.Y Eut Soc 189H,p.170

Ilab Mexico, NogalesinSonora(Koebele),

Solenococcus,Ckll Bull.Ills.StateLab.Nat.Hist.1899,p.392

{Solenophora, Maskell, nee Solenophora, Benth 1840, nee Solenophorus, Crepl 1839, neeSolenophorus, Muls.1840.)

1 Solenococcus koebelei.

Solenophorakoebelei, Ckll.Ann.& Mag.Nat.Hist.,June1898,p.429

Eab Mexico,Tulare(Koebele)

Mr.E E.Green(inlitt.)suggests that Solenococcus mightbemergedinCerococcus,butIthink theyare sufficiently distinct

1 Porococcus tinctorius

Porococcustinctorius,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.427

Eab Mexico, Amecameca{Koebele)

2 Porococcus pergandei.

Porococcus pergandei,Ckll.Ann.&Mag.Nat.Hist,,June1898,p.427

Ilah Mexico: Cuautla(Koebele)

1 Capulinia sallei

Capuliniasallei,Sign Essai surlesCoclieniiles, p.326(1875)

Bab Mexico(Salle); Arroyo SanIsidro,nearFrontera (Townsend) SeeTownsend,Journ.N Y.Ent.Soc,Sept.1898, pp 173-174.

1 PhenacoccTis yuccse

Pseudococcus yucca, Coq.WestAmer.Scientist,Sept 1890,p.44

.Hah Mexico: many localities See Townsend, Journ N. Y Ent Soc 1897,

p.180

Thevar.mexicanus (Ckll.),described from the city of Mexico,is distinguished bythe dorsal markings of the body On April30,1898,Townsend found this species(det.Tinsley)on barkofPhytolaccainMexicocity

2 Phenacoccus helianthi,subsp.gossypii.

Phenacoccusgossypii,Towns.&Ckll.Journ.N.Y Ent Soc 1898,p 170

Hah Mexico: Frontera (Townsend); Las Islas del Eio Usumacinta in Tabasco (Townsend); Tlacotalpam, April 19,1898,on leaves and twigs oi Malvaviscusin theplaza (Townsend)

Thelast-mentioned specimenswere determined byProf Tinsley

1 Dactylopius citri

Dorthesiacitri,Eisso, Essai surI'histoirenaturelledesGrangers(1813)

Hah Mexico: Orizaba, Cordova,Uruapan,Ario, Cuicatlan, Jacona,and Tacambaro(Segura); Orizaba,onErythrina,det.Tinsley (Koehele); Mexicocity,onBraccena,det.Tinsley (Koehele) Guatemala: injuring coffee (Bieseldorff) See Howard andMarlatt,Bull 18,N.S.,Div.Ent.,Dept Agriculture, 1898, pp 99-100

2 Dactylopius virgatus.

Dactylopiusvirgatus, Ckll.Entomologist, 1893,p.178

Bah Mexico: Cuautla (Koehele); Tlacotalpam, April 19, 1898, on leaves of

a small palm in a tub at the hotel, also on Croton,atthesameplace, det.Tinsley(Townsend).

Originallydescribed fromJamaica Ithas occurred independentlyto Prof.Tinsleyandmyself that thisspeciesmaypossibly beSignoret'sI), indicus; butifthisis thecase,onlytheexaminationofSignoret's typescanproveit.

3 Dactylopius nipae

Dactylopiusnvp(R,Maskell, Trans.NewZeal Inst.xxv.p.232

Hob Mexico: JicaltepecinVera Cruz{Townsend)

Notseenby me. Originally describedfrom Demerara.

4 Bactylopius pseudonipse.

Dactylopius pseudonipa,Ckll.Science Gossip^ April 1897,p.302

Hah MEXiro: Vera Cruz, April 23, 1898, on coco-nut palm; and Coatzocoalcos,April24,1898, on alarge tree called"laurel"; det.Tinsley {Townsend)

5 Dactylopius steeli

Bergrothiasteelii,Ckll.&Twns.Ent.News,Oct 1894,p.263

Hah Mexico: "ElPaso,Mexico" (Uuarez); det.Tinsley{Koehele)

Firstdescribedfrom the Mesilla Valley,NewMexico

6 Dactylopius olivaceus.

Dactylopiusolivaceus, Ckll Bull 4,Techn.Ser.,Div Ent., Dept Agric (1896)p.86

Hah Mexico: CiudadPorfirioDiaz{Townsend)

Found on Yucca

ASTEBOLECANim^.

1 Lecaniodiaspis radiatus.

Lecaniodiaspis radiatus,Ckll.Canad.Entom.1897,p.269

Hah Mexico: near SalinaCyuz {Townsend)

2 Lecaniodiaspis manihotis.

Prosopophoramanihotis,Towns.Journ.N.Y Ent.Soc.1898,p.172

Hah Mexico: Cuautla{Koelele)

1 Asterolecanium pustnlans.

Planchonia pustidans,Ckll.Science Gossip, April 1893,p 77

Hah Mexico: Vera Cruz{Cockerell)

TACHARDIIWM.

Carteriameximna, Comst Rep U.S.Dep.Agric for 1881,p.212

Had Mexico: Tampico; Oaxaca(Zoe^e/^)

Carterialarrecs,Comst Rep.U.S.Dep.Agric.for1881,p.211

Hah Mexico: see Comstock, 2nd Rep., Dept Entom., Cornell Univ Exp. Sta.(1883)p 130

Also occursatTucson,Arizona {Tourneyand Cockerell),andatTempe{Cockerell)

Tachardiafulgem,Ckll.Psyche, July 1895, Suppl.p.1.

Hah Mexico: Guaymas, on Mimosa orProso;pis{Koehele); Guaymas, on Coursetia{Br.Palmer); Hermosillo,on Coursetiaglandulosa{Koehele)

Specimensincoll.U. S.Dept Agric DescribedfromArizona

Tachardianigra,Towns.&Ckll.Journ.N.Y Ent.Soc.1898,p 172

Hah Mexico: Orizaba{Koehele)

Tachardia fuhoradiata,Ckll.Ann.& Mag.Nat.Hist.,June1898,p.431

Hah Mexico: EanchoCarbonel near Frontera {Townsend)

KEBMESINJE.

Kermes,Boitard,Man.d'Entom.ii.p.171 (1828)

BoitardistheearliestauthorIhaveyetfoundusingKermes(notChermes)asa truegenericname,including thespecieswe nowrefer toit. OfcourseKermes,asapopularterm, appearsinmanyearlierworks

1 Kermes grandis.

Kermesgrandis,Ckll.Ann.&Mag.Nat.Hist.^June1898,p.431

Hob Mexico: Amecameca[Koelele)

Kermesnigropunctatus,Ehrhorn&Cockerell,Ent.News,Oct 1898,p.186

Hah Mexico: mouthofSan Diego Canon,SierraMadre,State ofChihuahua, onliveoak, May22,1899(Townsend)

Originally described fromCalifornia TheSierraMadre insectresembles theform

first received from Mr Ehrhorn, collected at Los Angeles Specimens found by

Mr Ehrhorn at San Jacinto, Calif, April 1889, are very pale and show distinct

ifshallowtransversesulci

LECANIINjE.

Lecaniumhesperidum(L.),Burm Handb.derEnt.ii.p.69(1835)

Hah Mexico: various localities; seeTownsend,Journ.N Y.Ent.Soc,Dec 1897,

p.183; Tlacotalpam,onAhutiloninapotatthehotel{Tow7isend)

Lecaniumterminalice,Ckll.Journ.Inst.Jamaica, 1893,p.254,

Hah Mexico: Y emCymt,(Cockerell).

Originally describedfromJamaica

Lecaniumimpar,Ckll.Entomologist, 1898,p.131

Hah Mexico: Las MinasinTabasco(Townsend); San Antoniodel Sapotal,Tabasco,

on "Tacoq," June4, 1897(Townsend)

5 Lecanium longulum.

Lecanivmlongulum,Douglas, Ent.MonthlyMag 1887,p.97

Hob Mexico: Frontera,on "nancem," June25 (Toivnsend); Panama, 1898Tyler)

Lecaniumsallei,Sign Essai surlesCochenilles,p.240(1873)

Hab Mexico(Salle)

Lecaniumimbricatum,Cldl Bull 4,Techn.Ser.,Div.Ent.,Dept Agric (1896) p.38

Hab Mexico: AltaMirainTamaulipas(Tomnsend)-, Frontera,onanunknowntree,

May 1897[Townsend)

Twovarietiesofthis specieswerealsofound,asfollows:—

L.imbricatum, var Malescalesrather broaderandclearerthau' in.type Femaleapparently withoutthe

brownglands.—Onashrubinwoods(leaves6 to 7 inches long,2|wide, lightergreen andnot glabrousbelow), Frontera, Tabasco, April 14,1897(Townsend)

L imlricatum,var. Femalescaleabout 6 millim long,3^broad,2 high;ratherelongate-oval,flattish, dull,

palebrown, withvery largeanddeep punctures, except in the middle ofthedorsum Thescale itself

isshiny, butit is covered bya dirty-looking layerofwax, which givesita dullandalmost woollyappearance Thefollowingmeasurements (iin^) areby Mr.Parrott: femur 39long by 50broad;

base Circular glandsUfjL diameter Male scalesglassy,quite broad,overlapping one another.—

Tlacotalpam, April 20, 1898,onbranches, twigs,andleaves of"limonreal," i. shaddock(Toiunsend)

Lecaniumchilaspidis, Ckll.Canad Entom 1897,p 268'.

Eab Mexico: Tehuantepeccity (Toiunsend)

The name of the plant on which this was found, ''Ckilaspis" is wrong, and is

probably a blunder forCMlopm; nevertheless, the specificname of the insect canremain

Lecaniumtubuliferum,Ckll.Entomologist, 1898,p.132*.

Hab Mexico: Amecameca(Koebele)

This is a doubtful Lecanium. It may proveto be an immature state oiKermes

grandis

t2 2

12 HEMIPTEEA-HOMOPTEEA.

Kermesoleae,Bernard,Mem.Hist.Nat Provence,ii.p.275,t 2 fig.25(1788).

Hob Mexico: variouslocalities; see Townsend,Journ.N Y.Ent.Soc.1897,p.184;

Panama: onPsidium(Dolhy-Tyler)

miranduni; Ckll.&Parrott,subsp nov

5.Scale3|millim long,2|broad,2 high; hemispherical, with vague hutdiscernible indicatioas oftheH-ridgesofL.olece. Brown, varying fromadarkchestnuttoochreous,the lighterformsshowing under

a lensinnumerableyellow specks crowdedonadark ground;in addition,the scale isspottedallover

withraisedpoints ofwhiteglassy secretion,givingitaremarkablypretty appearance

Skinwiththe usual polygonalmarkingsofSaissetia; thepolygons vary from 28x47/xto39x42yu,withthecentralgland14x19to16x19jw,

Legs withthecoxa 99-115/z;femur withtrochanter182-190; tibia151-152; tarsus90-99; claw16

Antenna 8-segmented,segments measuring in/x:—(1)39-42, (2)33,(3) 59-62,(4)45-59, (5)19-39,

(6)17-31,(7) 12-22,(8) 39 One 7-segmented antenna was found, with these measurements:

—

(1) 39, (2) 36, (3) 59, (4) 56,(5)17, (6) 25, (7) 47

Kewly-hatchedlarva (dried)duU brownish orange varyingto apricot colour,withoutmarkings

Hah Mexico: Tlacotalpam inVeraCruz,xlpril 19,1898,onAbutilon,sp.,ina pot

atthe hotel{Townsend)

Thiswasdescribed as a distinct species,but since thenspecimens have been seenv^hichconnectitwith L.olece

Lecaniumhemisphcericum, Targioni-Tozzetti, StudisuUeCocciniglie,1867,p.27

Hah Mexico: Laguna, CarmenI.(Towwse?z<?); Vkeamk: on Gardenia{Dolby-Tyler).This is L.Goffeoe of authors,but probably not of Walker, whose brief descriptionindicates L olece rather than L hemisphcericum This was pointed out to me by

Mr.Theo Pergande,whofurtherstatesthat he saw someauthentic L.coffece in theBerlinMuseumlast year,andtheywereL.olece

Prof.Townsend hasmorerecentlyfounditatVeraCruz,Mexico, on potted plants

ofGardenia brought fromOrizaba

Lecaniumtuberculatum,Twns.&Ckll.Journ.N.Y.Ent Soc 1898,p.177

Hah Mexico: San Antoniodel Sapotal,near Frontera {Townsend)

Lecaniumtownsendi,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.433L

Hab Mexico: 1^xoniex?i[Townsend)

Lecaniumcastilloae,Ckll.Ann.& Mag.Nat.Hist.,June1898,p.436 .^.-j '

Hab Mexico: Frontera {Townsend),

LECANIUM. 13

CloselyalliedtoL.phoradendri, CklL,fromArizona

$.Scale broad-oval,moderatelyconvex, ratherrough and somewhatdull,black, irregularly mottled inthesubdorsal regionwith reddish-brownor dullorange; or occasionallyallblack Length4millim.,breadthnearly 3|, height14^.

Youngscalesare dull olive-green, usually mottledwithblackish

Thefemaleafterboiling in causticalkalibecomestranslucent,andpresentsasubmarginallightbrowngranulararea,onwhicharemanylargeroundedhyalinespots. (In L.phoradendrithe lightbrownareaismuch

furtherfromthemargin,anddoes notshowlargehyalinespots,butonly scattered hyalinedots.) Marginal

spines simple,very slender Stigmatal spinesinthrees,themiddle (long)one42to56/xlong,the others

11to16fx. Digitulesordinary;thoseofclawstout, oftarsusfiliform. Antennse 7-segmented Oneabnormal antenna wasonly6-segmented,withsegment653plong

Newly-hatchedlarva (dried) olive-green,withadarkdorsalshade

(S Scale glossy, asusual in the genus,witha faint greenishtint ;twotransversesutui\esoneachsideandtwoatthe anterior end

Thefollowingmeasurements(in jj.)ofi.nocturnumandL.phoradendriwillbe founduseful:

Thescalesarenumerouson the bark

2.Scaleveryconvex, subglobular; 11millim long,7|broad,7high,varyingto8^long,6§broad,6^high.Coffee-brown of various shades,sometimesquitea pale(cafeaulait) colour, fairlyshiny,moreorless

pruinosewith white powder,smooth,undera lens seentobe minutely andverycloselyspotted; extreme

Skin withthe polygons ofSaissetia,these almostcircular,diam.22-33(x ;someare oval,44x25fi,withthecentralgland 16x22^.

Antennse andlegsrudimentary Antennae157 nlong, shortandthick,segmentationobscure,endbroadlyrounded Last segment 16/xlong,18 broad; penultimateone 14/xlong,24broad; secondfromlast

14;ulong,40 broad;third fromlast41/xlong,66broad Legsthickandshort,femur59-70^ long,

70/xat broadest; tibia42filong,36 broad;tarsus28-33filong,28-36/xbroadat base,22-25atend;claw stoutandhooked,14^long

(S Scale flattened,transparent,glassy,with aweU-defined dorsalarea, crossedabout themiddle of theposterior halfby onesuture;theusualtwo transversesuturesoneach sidefromthe dorsalareato

the margin,andthe pairofanterior sutures

Hab Mexico: Coatzocoalcos in Vera Cruz, April 24, 1898, on large tree called

*'laurel" (Townsend)

Thefemalescalesoccuronthe branches, the malesontheleaves Thisisa globularspecies with the skin of aSaissetia, recallingL.verrucosmrij Signoret

17 Lecanium tolucanum.

Lecanium[Saisseiia]tolucanum, Parrott&Ckll Industrialist,1899,p.164

Hab Mexico: Toluca, State ofMexico, on a potato plant,Aug.1,1897(Koebele,1699)

Lecaniumsonorense, Ckll.&Parrott,Industrialist,1899,p.161

Hab Mexico: Hermosillo, on Beloperone californica^ Bentb., April 22, 1897{Koebele,1711)

Subgen Toumeyella,Ckll

Lecaniummirabile, Ckll.Pyscbe,July 1895, Suppl.p 3.

Hab Mexico: AguasCalientes, May1,1898,onProsopis [Townsend)

Originally describedfromArizona

Subgen.Pseudoeermes,Ckll

Lecanium armatum,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.436

Hab Mexico: SanFranciscoelEeal,Tabasco[Townsend)

Subgen Eulecanium,Ckll

Lecanium perditum,Ckll.Canad.Entom.1897,p.267

Hab Mexico: XcolakinYucatan (Townsend)

Lecaniumsubaustrale, Ckll.Entomologist, 1898,p.131

Hah Mexico: Amecameca(Koebele)

Lecanium[Eulecanium]quercitronis,Fitch,Trans.N.Y State Agric.Soc.1858,p.805; Cockerell

&Parrott, Industrialist,April 1899,p.232

Hab Mexico: Soldado Canon,Sierra Madre,StateofChihuahua,about7000feet,

June7,1899,onscruboak(Totvnsend)

1 Ceroplastodes niveus.

Fairmairianivea, Ckll.Entomologist, 1893,p.350

ffab Mexico: Montezuma in Chihuahua (Cockerell); Mixcoac, on Mimosa, 1897(Koebele); AguasCalientes,Jan.5,1891 (// Oshorn)

ThismayhavetobecalledCeroplastodesdugesi(Sign.&Licht.)

1 Ctenochiton aztecus.

Ctenochitonaztecus,Twns.&Ckll.Journ.N.Y Ent Soc 1898,p.176

Hab Mexico: Arroyo SanIsidro,nearFrontera {Townsend)

INGLISIA,Maskell

1 Inglisia malvacearum.

Inglisiamalvacearum,Ckll.Ann.&Mag.Nat.Hist.,June1898,p.432

Hab Mexico: Morelos{Koebele); Cuautla{Koebele)

TypeS mexicana ALecaniine Coccid, lacking legsand antennae in theadult;covered bya glassyscale

whichisdivided intotwoparts longitudinally,andhas not therowsof air-cells of Inglisia. The scale

likeFairmairiaexternally,butlackslegsandantennae Itmaybe remarkedthat thenameFairmairia,Signoret,1874, isahomonymof Fairmairia,Desv 1863 Thelattername, however, appearstobeobsolete Itwasatfirstintendedto call this genus SchizocMamys,but thatnamebelongsto agenus

ofAlgae Itmaybe considered permissible to use thesame genericnameinzoologyandbotany,but

itcertainlyisnot desirable

1 Schizochlamidia mexicana,Ckll.&Parrott,sp n

9.Darkbrown, withlarge ochreous spots,shiny,about 2|millim.longandratherover2broad,

Lecanium-like moderatelyconvex, coveredbyasemitransparentwhiteglassyscale,whichconsists oftwoportions,

16 HEMIPTERA-HOMOPTEEA.

being divided longitudinally Eachportion of the glassy scalehasalow eminence, from whichlines

radiate and round whichconcentricstriaerun Eemovedfromthe twig, the insect leaves awhitemark

marginsofwhicharebrown(chitinous)andthickened Medianlinewitha longitudinalbandofminute

gland-dots Analringwithsix bristles. Marginalspines simple,fairly large,numerous,distancefromonetothenextvaryingfrom33to115jx.

Larva with well-developedlegs; coxa34|u,femora withtrochanter 64-98yu, tibia 56-70yu,tarsus 59ju,

claw12fi.

S.Darkreddish-brown;wings dullhyaline,likegroundglass,witha well-defined reddishcostalnervure

Lengthofwing 961/i ;breadth497/i. Genital spike long,282yu.

S. Scaleabout 1|millim long, glassy,roughened, with nodefined dorsal areanor whitesutures,butadistinct

glassycap placed dorsally at the hinder end

Eah Mexico: Vera Cruz(city),April28, 1898,on Mimosa with big thorns whichareinhabitedbystinging ants{Pseudomyrma,sp.){Townsend)

Itis toberemarkedthat therearetwotypes of malescaleamongthe Lecaniinse

—

that ofLecanium andthat ofScMzochlamidia,LecanocJiiton,and Ctenochiton In the

first there is a well-defined dorsal area, from which radiate transverse sutures,andthereisno capatthe hinderend; in thesecond thereisacap,and the dorsalareais

lacking This difference,combined withcertain peculiaritiesofthe female,might beheldto indicate twotribes, tobecalledLecaniini andCtenochitonini Thefollowingnoteswill assist inthe further elucidation ofthismatter:

—

Ctenochitonini

Cryptes,havingthe cap,wiUfallinthis series,thoughtheSscale ispeculiar

Ceroplastodesdalece, Ckll : Jscale glassy,strongly tuberculateallover;the glassycapexists,butistuberculate

Ceroplastodesniveus, Ckll : d" scale alsoveryrough,butthe capisverydistinct,and has onittwowhitishlines

forminganarrowV; these are alsomoreorlessdiscernible in C.dalece.

Lecaniini

PalviTUiriaparadelpha,Ckll.&Lidgett,.hasaLecanium-likescale,but withmoresutures

Lichtensialutea (Ckll.) : Sscale glassy,transparent, Lecanium-like,butthe dorsal area convex,,andonly one

Lecaniumstrachani,Ckll : Sscalehas the dorsal area sonarrowas tobepractically a singleridge,the verse sutures obliterated,andavaguelyindicatedsmall cap Thus bothinthemale andfemale thispeculiar species tendstowardsthe Ctenochitonini (Eorthe2?seeEhtom.xxxi,p.259.)

trans-VINSONIA,,Sign

1 Vinsonia stellifera

Vinsoniastellifera (Westwood),Douglas, Ent.Monthly Mag.,Dee 1888>p.152

Hab Central America.

Mr.Alex.Craw foundthison anorchidfromCentralAmerica,localityunknown.

CEEOPLASTES 17

1 Ceroplastes floridensis

Ceroplastesfloridensis,Comstock,Rep.U.S.Dept Agric for 1880,p.331

Hah Mexico: Balantam in Yucatan (Townsend); Minatitlan, April 25, 1898,onorange and mango (Townsend); Cordova, April 29, on mango (Townsend); ParajeNuevo, April 29,onorange(Townsend); Frontera, Febr 28,1897,on McuslaurifoUa(Townsend); Panama: outskirts of the city, on mango, akee, guava, and lime-trees(Bolhy-Tyler)

Ceroplastes mexicanus,Ckll Bull 4,Techn.Ser.,Div Ent.,U.S.Dept Agric (1896)p 34

Hah Mexico: Guaymas, San Luis Potosi and Tehuantepec city (Townsend)Guanajuato, on Durantaplumieri (Luges),

4 Ceroplastes irregularis.

Ceroplastesirregularis, Ckll.Entomologist, 1893,p.351

Hah Mexico: MontezumainChihuahua(CoekerelT)

Also found in NewMexico,and even northto Salida, Colorado(Bethel,specimenssentby Gillette)

5 Ceroplastes cistudiformis.

Ceroplastescistudiformis, Ckll.&Twns.Zoe, 1893,p.104

Hah Mexico: Guanajuato(Duges); Tampico (Townsend); Morenas,Oct 18,1897(Koehele,1569)

Also found at Clairmont, California, on a pepper-tree (A,J.Cook, in coll.U.S