Engel, Engel & Herhold & Davis & Wang & Thomas, 2021

Engel, Michael S., Herhold, Hollister W., Davis, Steven R., Wang, Bo & Thomas, Jennifer C., 2021, Stingless bees in Miocene amber of southeastern China (Hymenoptera: Apidae), Journal of Melittology 2021 (105), pp. 1-83 : 78

publication ID

https://doi.org/10.17161/jom.i105.15734

publication LSID

lsid:zoobank.org:pub:3637F70F-42FC-461E-82B3-A847752A071A

persistent identifier

https://treatment.plazi.org/id/03D58783-FF8C-FFAB-FE7E-ECD7FD74F974

treatment provided by

Felipe

scientific name

Engel
status

subgen. nov.

Koilotrigona Engel , new subgenus

ZooBank: urn:lsid:zoobank.org:act:

TYPE SPECIES: Trigona fulviventris Guérin-Méneville, 1844 .

DIAGNOSIS: Like Aphaneuropsis ( supra), this genus has four teeth but builds permanent support pillars in the nest and irregular horizontal brood combs. The subgenus is characterized by the following combination of traits: integument entirely dark brown to black, although metasoma sometimes orange to reddish orange ( i.e., T. fulviventris ); forewing membrane uniformly infumate; mandible quadridentate; labrum bigibbous, with pronounced mediolongitudinal furrow; vertex with distinct postocellar ridge; distance from median ocellus to postocellar ridge an ocellar diameter or less; metatibia with distinct corbicula, with retromarginal fringe setae abundant.

ETYMOLOGY: The new subgeneric name is a combination of the Greek koílos ( Κοίλος, meaning, “hollow” or “concave”) and Trigona . The gender of the name is feminine.

INCLUDED SPECIES: In addition to the type species, the subgenus currently includes T. braueri Friese and T. guianae Cockerell .

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