Callomyia

Cumming, Heather J. & Wheeler, Terry A., 2016, Revision of the Nearctic species of Callomyia Meigen (Diptera: Platypezidae) and phylogeny of the genus, Zootaxa 4111 (5), pp. 501-554: 508-509

publication ID

http://doi.org/10.11646/zootaxa.4111.5.1

publication LSID

lsid:zoobank.org:pub:1286E111-8C60-47AB-B2A2-36D3BFB6CA3F

persistent identifier

http://treatment.plazi.org/id/3C7A0266-7345-970B-C2B1-2C5E1EE1FED9

treatment provided by

Plazi

scientific name

Callomyia
status

 

Key to females of Callomyia  species in North America

Females of C. argentea  , C. bertae  and C. browni  are unknown and thus are not included here.

1. Antenna with first flagellomere subtriangular ( Fig. 44View FIGURES 41 − 44); abdomen with alternate black and silver-grey markings ( Fig. 37View FIGURES 37 − 40)...................................................................................... C. gilloglyorum Kessel 

- Antenna with first flagellomere short-oval ( Fig. 43View FIGURES 41 − 44); abdomen with yellow, pale orange, metallic bluish-white and/or silverblue markings ( Figs 33, 35, 36View FIGURES 33 − 36, 38– 40View FIGURES 37 − 40)..................................................................... 2

2. Abdomen entirely yellow (sometimes more brownish-yellow or brownish-orange) ( Figs 27View FIGURES 25 − 28, 35View FIGURES 33 − 36)............ C. calla Kessel 

- Abdomen darker, never entirely one colour, with yellow, pale orange, metallic bluish-white and/or silver-blue markings ( Figs 33, 36View FIGURES 33 − 36, 38–40View FIGURES 37 − 40)........................................................................................ 3

3. Thorax mainly silver-blue dusted with black median dorsal stripe on scutum ( Figs 28View FIGURES 25 − 28, 36View FIGURES 33 − 36)............... C. corvina Kessel 

- Thorax mainly brown to black with metallic bluish-white or silver-blue markings on lateral portion of presutural scutum, notopleuron and most of postsutural scutum ( Figs 25View FIGURES 25 − 28, 30–32View FIGURES 29 − 32, 33View FIGURES 33 − 36, 38–40View FIGURES 37 − 40).......................................... 4

4. Abdominal tergites 1 and 2 pale orange with silver-white dusting, tergite 6 metallic bluish-white ( Fig. 33View FIGURES 33 − 36); halter pale orange; legs mainly brown ( Fig. 25View FIGURES 25 − 28)..................................................... C. arnaudi Cumming  sp. nov.

- Abdominal tergites 1, 2 and sometimes 3 yellow, tergite 5 or 6 silver-blue ( Figs 38–40View FIGURES 37 − 40); halter yellow; legs mainly yellow to yellowish-brown with hind leg darker ( Figs 30–32View FIGURES 29 − 32)........................................................... 5

5. Abdomen with only tergites 1 and 2 yellow (both interrupted by median dorsal dark band) ( Fig. 38View FIGURES 37 − 40); tergite 5 black and tergite 6 silver-blue; mid tibia with long median dorsal seta ( Fig. 51View FIGURES 49 − 54)................................... C. proxima Johnson 

- Abdomen with tergites 1–3 entirely yellow ( Figs 39, 40View FIGURES 37 − 40); tergite 5 silver-blue and tergite 6 black; mid tibia with median dorsal

seta short ( Fig. 52View FIGURES 49 − 54) or absent............................................................................. 6 6. Abdomen with silver-blue on tergite 5 interrupted by median dorsal dark band ( Fig. 39View FIGURES 37 − 40) (sometimes partially interrupted); scutum with 2–3 presutural intra-alar setae, 3 at least on one side ( Fig. 45View FIGURES 45 − 48); mid tibia usually with short median dorsal seta ( Fig. 52View FIGURES 49 − 54).................................................................................. C. velutina Johnson 

- Abdomen with tergite 5 entirely silver-blue ( Fig. 40View FIGURES 37 − 40); scutum with only 2 presutural intra-alar setae ( Fig. 46View FIGURES 45 − 48); mid tibia with median dorsal seta absent.................................................................. C. venusta Snow