|
Protobombus (Protobombus)
|
|
|
Engel, Michael S. & Davis, Steven R., 2021, New genera of melikertine bees with facial modifications in Baltic amber (Hymenoptera: Apidae), Journal of Melittology 2021 (103), pp. 1-52
: 39
|
39 |
|
Protobombus tristellus Cockerell 1909
|
|
|
ENGEL, MICHAEL S., 2001, A Monograph Of The Baltic Amber Bees And Evolution Of The Apoidea (Hymenoptera), Bulletin of the American Museum of Natural History 2001 (259), pp. 1-1
: 1--1
|
1--1 |
|
Protobombus (Protobombus) hirsutus
|
|
|
Engel, Michael S. & Davis, Steven R., 2021, New genera of melikertine bees with facial modifications in Baltic amber (Hymenoptera: Apidae), Journal of Melittology 2021 (103), pp. 1-52
: 39
|
39 |
