Pupal cases of Nearctic robber flies (Diptera: Asilidae) Author Dennis, D. Steve Author Barnes, Jeffrey K. Author Knutson, Lloyd text Zootaxa 2008 2008-09-03 1868 1 1 98 https://biotaxa.org/Zootaxa/article/view/zootaxa.1868.1.1 journal article 10.11646/zootaxa.1868.1.1 1175­5334 5133591 Key to known pupal cases of Nearctic genera of Leptogastrinae 1 Facial area without bristles, median tubercles, or callosities; anterior and posterior antennal processes present, the former without lateral process, the latter palmate; abdominal segment 9 with short dorsomedian processes and long ventral posterolateral processes ........................................................ Apachekolos ­ Facial area with median callosities or tubercles and bristles; anterior or posterior antennal processes lacking, but head with callosities or tubercles; anterior callosity or tubercle with lateral bristle on each side; posterior callosity or tubercle sometimes ridge­like and pointed posteriorly; abdominal segment 9 with only dorsal posterolateral processes, ventral posterolateral processes absent........................... Leptogaster