New genera of melikertine bees with facial modifications in Baltic amber (Hymenoptera: Apidae) Author Engel, Michael S. Division of Entomology, Natural History Museum and Department of Ecology & Evolutionary Biology, 1501 Crestline Drive - Suite 140, University of Kansas, Lawrence, Kansas 66045 - 4415, USA (msengel @ ku. edu). & Division of Invertebrate Zoölogy, American Museum of Natural History, Central Park West at 79 Street, New York, New York 10024 - 5192, USA (mengel @ amnh. org, sdavis @ amnh. org). Author Davis, Steven R. Division of Entomology, Natural History Museum and Department of Ecology & Evolutionary Biology, 1501 Crestline Drive - Suite 140, University of Kansas, Lawrence, Kansas 66045 - 4415, USA (msengel @ ku. edu). text Journal of Melittology 2021 2021-07-06 2021 103 1 52 http://dx.doi.org/10.17161/jom.i103.15655 journal article 10.17161/jom.i103.15655 2325-4467 13146053 Key to Subgenera of Electrapis 1. Forewing r-rs well separated from 1Rs; basal vein (1Rs+M) straight or weakly bowed .......................................................................................................................... 2 —. Forewing r-rs close to 1Rs; basal vein (1Rs+M) prominently bowed ..................... ............................................................................................................... Eckfeldapis Lut 2. Forewing pterostigma longer than wide ................................................................. 3 —. Forewing pterostigma greatly reduced, as long as wide ........................................ .............................................................................................. Electrapis Cockerell , s.str . 3. Forewing basal vein (1M) proximad 1cu-a; 1m-cu entering second submarginal cell medially or at 2/3 length ................................... Mesomelissa Engel, n. subgen. —. Forewing basal vein (1M) confluent with 1cu-a; 1m-cu entering second submarginal cell near apex ................................................... Euglossopteryx Dehon & Engel