Achalcus, LOEW, 1857

Pollet, Marc, 2005, Systematic revision of Neotropical Achalcus and a related new genus (Diptera: Dolichopodidae, Achalcinae) with comments on their phylogeny, ecology and zoogeography, Zoological Journal of the Linnean Society 143 (1), pp. 27-73 : 31-32

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
status

 

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.

A

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Dolichopodidae

Loc

Achalcus

Pollet, Marc 2005
2005
Loc

Achalcus Loew, 1857: 30

Loew H 1857: 30
1857
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