SuBFAMILY CHRYSOMYINAE 97 
. Epistoma short, nearly as wide as elypeus; vibrissa but 
slightly above oral margin; postocellar bristles absent; 
posterior thoracic spiracle neither elongate-ovate nor 
ET igclee Cu Bae pe Fm Sky ay a Re ee ge ene + 
Epistoma long, either slightly or considerably narrower than 
width of elypeus; vibrissa distinctly above oral margin; 
postocellar bristles present; posterior thoracic spiracle 
large, elongate-ovate, transverse ...............0000. D 
. Legs and base of abdomen always, and humerus and anterior 
pleura usually, yellow to yellow orange or orange brown. 
SNeOCLOpicah) VetAe® Fes) ohig2).. poly elnino ally... 
GA TEANE NE: rps. Hemilucilia renter (Fabricius), p. 107 
Legs, base of abdomen, humerus, and anterior pleura brown 
to black with greenish overeast. (Neotropical)........ 
Rte ne eee Hemilucilia flavifacies (Engel), p. 106 
.. Posthumeral bristle present; intrapostsutural bristle pres- 
ent; postintraalar bristle one; intrapostalar bristle pres- 
ent; remigium below posteriorly at base with several fine 
hairs; lower squamal lobe pilose above .............. 6 
Posthumeral bristle absent; intrapostsutural bristles absent; 
postintraalar bristles two; intrapostalar bristles absent; 
_ remigium below usually bare posteriorly at base; lower 
eC MAE SUOVG ec heels bees ee cea aes 7 
6. Thorax almost entirely shining or with two indistinct dark 
longitudinal stripes on dorsum; buecca brown with tawny 
hair; anterior thoracic spiracle with brown hair (Neotrop- 
Be beta So ee Mynolucilia fulvinota (Bigot), p. 112 
Thorax slightly silvery pollinose and with three distinct 
dark longitudinal stripes on dorsum; bucea orange with 
golden colored hair; anterior thoracic spiracle with yel- 
low hair (Neotropical) Myiolucilia lyrcea (Walker), p. 113 
7. Squamal lobes white to yellow orange; legs usually yellow 
orange to orange brown (Neotropical) ................ 
i aes Chloroprocta fuscaampennis (Macquart), p. 117 
Squamal lobes infuscated especially on the apical half; legs 
usually dark brown to black (Neotropical) ............ 
_Chloroprocta idioidea (Robineau-Desvoidy), p. 119 
8. Palpus short filiform; epistoma elongate, distinctly narrower 
than elypeus; front of male at narrowest 0.05 or more 
of head width, of female, 0.28 or more of head width; in- 
trapostalar bristle absent. Third-instar larva without ac- 
Peers Crab sclevite gery A. ics dnl mata wa Siersiaei css 9 
