SUBFAMILY CALLIPHORINAE 255 
2Lucilia praescia Giglio-Tos, Mus. di Zool. ed Anat. Comp. R. 
Univ. Torino, Bol. 8(147) :4, 18938. (Type, from Tampico, 
Mexico, in Torino or lost.) 
Lucilia ocularis Shannon, Wash. Ent. Soc. Proce. 28(6) :182, 1926. 
(Type, male from Costa Rica, No. 28890, U. S. National 
Museum. ) 
A large shining purplish or purplish-green species, the males 
of which have the anterodorsal eye facets enlarged. 
Male. Head height 13.3; eye height 10.6; length at antenna 
6.2 and at vibrissa 6.4; width 15.4; bucca 0.25 eye height, brown 
to black, with very thin gray pollen, and with scattered black 
hairs, posteriorly and below with light hairs; eye with enlarged 
facets anterodorsally; frontale orange brown, wider than para- 
frontale at lunule and greatly reduced posteriorly; front dark 
brown to black, almost obliterated at narrowest, only a thin 
line apparent between the eyes for a short space about 1.0 an- 
terior to foremost ocellus, 0.10 of head width at vertex and 0.16 
at lunule, with dull silvery pollen, and with only a few hairs 
outside the frontal row; frontal rows of bristles diverging an- 
teriorly as they follow the margins of the frontale, each row 
consisting of about eight bristles, the foremost placed almost 
opposite the base of the second antennal segment, the bristles 
shorter posteriorly and vestigial or absent toward the narrowest 
portion of front; clypeus dark brown toward epistoma; para- 
faciale much narrowed above, 0.7 in width opposite’ second 
antennal segment, mostly red orange to brown, with thin silvery 
pollen, bare; faciale red orange to brown, nearly straight in 
profile, and with a row of short black setae which ascend nearly 
one-half the distance to the antennal base; vibrissae 0.8 above 
the oral margin and set 3.0 apart; palpus 4.0; antenna orange 
to brown, first segment always lighter apically, third segment 
4.2 times as long as second, and usually lighter at base; arista 
orange to orange brown, lighter basally, the cilia long, light in 
color toward base and darker apically; back of head black, with 
whitish pollen except above, metacephalon orange, one row of 
postocular cilia and considerable pale hair which is most appar- 
ent below. 
Thorax dark blue with greenish to almost entirely reddish 
purple luster, mostly shining but with thin whitish pollen in 
certain lights especially anteriorly on dorsum and on pleura; 
humeral bristles three; propleuron with tawny hair; hindmost 
preacrostichal and predorsocentral bristles placed 3.0 and 1.2, 
respectively, before suture; prosternum with both dark and pale 
