23. 
24. 
20. 
26. 
21. 
28. 
SuBFAMILY CALLIPHORINAE 207 
Base of wing not strongly darkened; rims of squamal lobes 
whitish; male genital segments of moderate size...... 24 
Base of wing strongly blackish; rims of squamal lobes dark 
brown to black; male genital segments large and glo- 
DOStURIUNCOULODICA att cree ad fot sles a. othe tan ai EBs oreo 
ge Calliphora peruviana Robineau-Desvoidy, p. 301 
Bucca 0.37 of eye height in male, 0.54 in female, black, 
with hair mostly black; length of head at antenna 0.87 
that at vibrissa in both sexes; middle tibia usually with 
two posterior bristles. (Nearetic) <2. sd .+« laws os os 
naaig toe Se ners Calliphora terrae-novae Macquart, p. 303 
Bucca 0.47 of eye height in male, 0.65 in female, black, with 
mostly reddish-orange hair which is most abundant 
posteriorly; length of head at antenna and at vibrissa 
nearly equal in male, but antennal length 0.94 of the 
vibrissal length in female; middle tibia usually with 
three (posterior bristles. ¢ Holarctio)i.. 34). 0b 6 
reo) eee ee Calliphora vomitoria (Linnaeus), p. 313 
Abdomen clearly pollinose; second abdominal segment usu- 
ally with row of strong, erect marginal bristles; lower 
squamal lobe rounded on posterior margin............ 26 
Abdomen somewhat shining, often without trace of pollen; 
second abdominal segment without, or with a weak, 
appressed marginal row of bristles; lower squamal 
lobe rather wide and truncate posteriorly............ 33 
Epistoma nearly as wide as clypeus; fourth vein with a 
distinct angle beyond bend; fifth sternite of male large, 
produced ventrally in profile; male genital segments 
large, the second segment nearly twice as long as 
WWAChee es: ANGE ee eRe hee ORR id Des bie k 
Epistoma well narrowed from the eclypeal width; fourth 
vein nearly straight beyond bend; fifth sternite of male 
small, not produced ventrally; male genital segments 
rather small, the second segment hardly longer than 
WiC M pee Saree, Sets eee Rete OE Sra. 32 
Parafaciale orange in ground color on lower half or more. .28 
Parafaciale entirely black in ground color.............. 29 
Hindmost preintraalar bristles absent. (Nearctic)...... 
ee, Se Ee Acronesia abina, new species, p. 274 
Hindmost preintraalar bristles present. (Nearctic)...... 
vat htives bE oo awh aata’ Acronesia anana, new species, p. 278 
