Pupal cases of four Nearctic species of Laphria (Diptera: Asilidae) Author Dennis, D. Steve Author Barnes, Jeffrey K. text Zootaxa 2013 3681 4 478 492 journal article 10.11646/zootaxa.3681.4.9 b8747e01-0f31-468f-9e2a-5eaec3e57275 1175-5326 224166 4C7BFAB4-2980-4F59-8D6D-FE4E7E06E641 Key to known pupal cases of Laphriinae genera 1 Head with 5 basally fused posterior antennal processes; median facial spines bifurcate or trifurcate, face lacking median or anterior bristle between spines; abdominal segment 1 with broad dorsal, bifurcate or trifurcate spine; abdominal segment 3 with median space interrupting ventral transverse row of spines; abdominal segments 4–7 with no median space interrupting ventral row of spines, but median spines often shorter than surrounding spines............................... Lampria - Head with 3–5 basally fused posterior antennal processes; median facial spines usually not bifurcate or trifurcate, face with or without median, anterior or posterior bristle between spines; abdominal segment 1 usually without dorsal median bifurcate or trifurcate spine, but, if present, spine not broad; segments 3–7 with or without median space interrupting ventral transverse row of bristlelike spines, but if median space present it may become smaller posteriorly and/or have shorter median bristlelike spines than surrounding spines........................................................................... 2 2 Abdominal segments 3–7 or 4–6 with median space interrupting ventral transverse row of bristlelike spines; head with 3–5 basally fused posterior antennal processes; facial area with or without bristle between or posterior to median spines; abdominal segment 1 with or without dorsal median bifurcate spine, other dorsal spines sometimes bifurcate................ Laphria - Abdominal segments 4–7 without median space interrupting ventral transverse row of bristlelike spines; head with 3–4 basally fused posterior antennal processes, 4th process small; facial area with bristle between or anterior to median spines; abdominal segment 1 without dorsal median bifurcate or trifurcate spines, although other spines sometimes bifurcate..... Andrenosoma