A LIST OF SCALE INSECTS FOUND UPON PLANTS ENTERING THE 
PORT OF SAN FRANCISCO. 
By ALEXANDER CRAW, 
Quarantine Officer and Entomologist, State Board of Horticulture, California. 
Name of species. Country. Trees and plants. 
Aspidiotus albopunctatus Ckll..-..-.--.- AERSEIN Senanen soGosuc: Orange. 
aurantii Mask.! ......------ Australia.-...-.----- Orange and Fourcroyia. 
Central America... --- Cocoanut palms. : 
citrinus Coq. MSS.?....-.--- AEN seeaSaosoapeose Orange, Aucuba, Euonymus. 
@uplex Ok. oo. oe oe ome wins (ins ooanococuDooE Camellia, orange, camphor, azalea,Olea 
fragrans, tea. 
TCHS A isoaes coon essoped pacer Gly aSoeamdasenodaes Orange, banana, Ilex, Aspidistra. 
Morid ajeessee eee ee Orange. 
Cuba Rese s- sense tae Palms (Latania borbonica). 
TOSS MSK ee eessciee eee Auptraliaes-secce-—- Palms olives, Acacia, Araucaria bid- 
wellii. 
spherioides Ckll.....-..--. Louisiana..........-- Ornamental plants. 
neril Bouche? .--..-.--. =~ Eastern States. -..--- Palms. 
Australia .........:-- Do. 
Honolat esse aero ee Do. 
Aulacaspis Sp ....--22+--eeeeeeeeceeee: SMA A scone seb oacaes Aspidistra lurida. 
Asterolecanium pustulans Ckll .....--- Hon olmlitees= aie Oleander. 
Ceroplastes ceriferus Anderson.....--. AEN Ca soKsasobsoose Camellia, orange, gardenias. 
floridensis Comst....-...-.| Florida ...-..--.-----. Orange. 
rubens Mask...........--. Honolulu .----------- Asplenium fern. 
iS) Deneaoocdsuaedasdasacuseoe Singapore ...-...-..- Cinnamon. 
Pepi Bos adn oneecc5ac Gardenia fortunii. 
Chionaspis aspidistra Sign...--.--.---|----- GO) oesbosasssoh6s Aspidistra lurida. 
assimilis Mask ....--...---- PAtIStiralia sete seer Eucalyptus ?. 
ibiclavis Comst -.-5--..----- AAT ec ogocesleees soc Orange. 
Southern Mexico ..-..| Lime. 
Cite Comstoscswans sce se saa Australia...:..------ Orange. 
JAPAN aaa aeee eel Osmanthus, Aspidistra. 
SEMMUPiodeancnsccse sce Palms. 
Cait CuliSKOK Se eaten oa = CBR ne Scooenocece 
Diaspis amygdali Tryon ......---------|----- GW cosaspeaconosee Cherry, peach, plum, apricot, prune, 
walnut, persimmon, Eleagnus. 
patelleformis Sasak. (?)--.----- onolnlivesssseeeeae Shrub. 
OSD PD OUChEeren am seems Eastern States. ...--.| Blackberry, rose. 
Central America..--- Rose. 
Dactylopius aurilanatus Mask......--- Australia..........-.- Araucaria bidwellii. 
adonidum Linn.?.......--- Eastern States. ...-.-| Croton. 
destructor Comst..-..-.--- IMAGE) ose seo 5ouEsee | Orange. 
longifilis Comst ....-...-..| Eastern States.-.....- Dracena. 
pandani Ckll.........2-.-- Washington Island, 
Marq. 
albizzie Mask .......----- Honolulu .-.....----- Orange. 
PM TIOCOCCUS S Demeeeiecnee seems areca eee PATIStR aa annie <= tale Palms. 
araucaria Mask2 -- 52... <.)----- Ol Sotaakonoodadar Araucaria excelsa. 
Fiorinia camelliz Comst.? ....-...-----! Belen secee see Camellia. 
Japan ssa oe eee = Do. 
Icerya purchasi Mask.? .....-.--------- PASS Gralla seer eect Pitisporum. 
Mia wales) se acie = aimee Rose. 
Ischnaspis filiformis Doug.?-.--.------- i Upyete = 6552 2825 5a= Pandanus. 
Lecanium filicum Sign. .-.-..---------- New Zealand ..-.-.--- Ferns. 
hesperidum Linn.?...-------| Rloridaijc2= see a= -% Orange, lemon. 
(SElonolalniees=esee=-e Orange. 
ATIstralaacceeeceeas a= Rose. 
longulum Douwgl...----.----- HMonolulusseas<e == - Carica papaya. 
perforatum Newst..-..----.-|----- GO. sees cesses -- | Palms. 
tessellatum Sign. (?).---.--- Hawallseccceecerece= Ferns. 
oles Bern.) ...... sbobucon aos VaApanerenoteastososee Deciduous magnolia. 
1st fol ScoooudeudEssy 
1 Established in California for over twenty years. 
2Found to a limited extent in California, and, with the exception of the two species of Mytilaspis, 
are not feared, as they are mostly held in check by predaceous insects. 
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