Efferia, Coquillett, 1893

Dennis, D. Steve, Barnes, Jeffrey K. & Knutson, Lloyd, 2008, Pupal cases of Nearctic robber flies (Diptera: Asilidae), Zootaxa 1868 (1), pp. 1-98 : 71

publication ID

https://doi.org/ 10.11646/zootaxa.1868.1.1

DOI

https://doi.org/10.5281/zenodo.5133843

persistent identifier

https://treatment.plazi.org/id/038587C9-7429-AA62-46D2-FF11FA7104A0

treatment provided by

Felipe

scientific name

Efferia
status

 

Key to known pupal cases of Nearctic species of Efferia View in CoL

1 Labral sheath with low apical keel on posterior third or more; proboscial sheath with posterior tubercle.2

­ Labral sheath with raised, tubercle­like keel on posterior half; proboscial sheath with spine­like posterior process ............................................................................................................. Efferia benedicti (Bromley) View in CoL

2 Proboscial sheath with single median tubercle on each side of midline; abdominal segment 8 with 2–3 dorsal posterolateral spurs on each side of midline and 5–8 bristle­like spines below and behind each spiracle...............................................................................................................................................................3

­ Proboscial sheath with 3–8 minute tubercles on each side of midline; abdominal segment 8 with 0­1 dorsal spurs on each side of midline and 2–3 bristle­like spines below and behind each spiracle...................4

3 Wing sheath rarely with median tubercle, abdominal segment 1 with 3 bristle­like spines behind each spiracle; abdominal segments 2–4 often with bifurcate dorsal spines; segment 8 with 2 dorsolateral spurs on each side and 6–14 subequal ventral bristle­like spines .................................. Efferia aestuans (Linnaeus) View in CoL

­ Wing sheath with median tubercle; abdominal segment 1 with 6 bristle­like spines behind each spiracle; abdominal segments 2–4 without bifurcate dorsal spines; segment 8 with 3 dorsal spurs on each side and 16 long and short ventral bristle­like spines .................................................. Efferia triton (Osten Sacken) View in CoL

4 Anterior mesothoracic spines apically rounded; wing sheath without median tubercle; abdominal segment 1 with 14 dorsal spurs; segment 8 with 14 ventral bristle­like spines .................... Efferia frewingi Wilcox View in CoL

­ Anterior mesothoracic spines distinctly acuminate; wing sheath with median tubercle; abdominal segment 1 with 12 dorsal spurs; segment 8 with 2 ventral bristle­like spines ................. Efferia helenae (Bromley) View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF