Calloproctus Engel, 2022

Engel, Michael S. & Gonzalez, Victor H., 2022, A new bee genus from the pampas of eastern Argentina, with appended notes on the classification of “ paracolletines ” (Hymenoptera: Colletidae), Journal of Melittology 2022 (109), pp. 1-39 : 34

Calloproctus Engel , new genus

ZooBank: urn:lsid:zoobank.org:act:7B2A69DA-5D2B-4C97-AAD3-DFE0C0812744

TYPE SPECIES: Lamprocolletes amabilis Smith, 1879 .

DIAGNOSIS: These are Leioproctus s.str. -like bees in which the basal area of the propodeum is delimited by transverse carina posteriorly and the integument is frequently metallic, sometimes bright metallic and densely punctured. In addition, females have distinct facial foveae, the pterostigma is more than half the length of the costal margin of the marginal cell, the jugal lobe extends to the level of 1cu-a, the inner metatibial spur of females is pectinate, and the basal area of the propodeum is shorter than the metanotum.

ETYMOLOGY: The new generic name is a combination of Ancient Greek kállos (κᾰ́λλος, meaning, “beauty”) and prōktós (πρωκτός, meaning, “anus” or “rectum”). The gender of the name is masculine.