Achalcus, LOEW, 1857
publication ID |
https://doi.org/ 10.1111/j.1096-3642.2004.00141.x |
DOI |
https://doi.org/10.5281/zenodo.10545198 |
persistent identifier |
https://treatment.plazi.org/id/14691203-0320-0923-FEF1-B291CCF1C8C9 |
treatment provided by |
Diego |
scientific name |
Achalcus |
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ACHALCUS LOEW, 1857 View in CoL View at ENA
Achalcus Loew, 1857: 30 View in CoL
Type species: Porphyrops flavicollis Meigen, 1824: 56 Achalcus flavicollis (Meigen, 1824) as designated by Robinson (1970: 22)
Head. Uppermost postoculars usually darker than lower ones (exc. A. costaricensis , A. tibialis ). Arista usually longer than first three antennal joints.
Thorax and abdomen. Five dc (synapomorphy). No small additional setae between posthumeral, presutural and first two dc bristles. Abdomen with five pubescent segments (synapomorphy). Hypopygium ( Figs 1 View Figure 1 , 2 View Figure 2 ). Hypandrium simple, without spines on apex; aedeagus simple, at most with subapical dorsal bend; ventral (not dorsal, as in Pollet & Cumming, 1998) epandrial lobe slender with three epandrial setae on shaft (synapomorphy); midventral bristle of surstylus usually without or with only minute apical flag. Legs. Tibia I with one, two or without dorsal bristles. Tibia II with two ad bristles (exc. niger ). Femur III mostly with strong preapical ad bristle, usually inserted at middle of anterior face.
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Achalcus
Pollet, Marc 2005 |
Achalcus Loew, 1857: 30
Loew H 1857: 30 |