Sarcophaga Bulbostyla semimarginalis
NEARCTIC - Mexico (Nuevo Leon), USA (Arizona, Texas)
Body length 9.0–12.0 mm.
Head: 8–11 pairs of medioclinate frontal setae. Genal setae black, postgena mostly white-haired, black setae restricted to posterior part of postgena.
Thorax: proanepisternum bare.
Wing: dark hairs on lateral margin of alula as long as those on anterior margin of anal lobe. Hairs fringing calypters creamy-white.
Legs: hind tibia with long, wavy posteroventral hairs.
Abdomen: tergite 5 same color as other abdominal tergites or with pale brown or orange-yellow margin on apical half or third, with a marginal row of strong setae, sometimes two middle (dorsal) ones slightly anterior to the others.
Terminalia: cerci and syntergosternite 7+8 same color as epandrium. Surstylus without a small posteroventral projection. Window on sternite 5 almost even with rest of base. Pregonite usually without pointed lateral extension, weak if present. Juxta with two deep invaginations in posterior view.
Body length 10.0 mm.
Terminalia: Tergite 6 with moderately strong setae on each side evenly spaced and about equal in size. Tergite 7 present. Tergite 8 vestigial. Sternite 6 with 9 moderately strong setae on posterior margin. Sternite 7 desclerotized on middle part, with 7 weak setae on posterior margin.