Cheilosia ( Eucartosyrphus ) flavissima Becker, 1894

Bot, Sander, Mengual, Ximo, Meutter, Frank Van de & Skevington, Jeffrey H., 2025, Review of the genus Cheilosia Meigen, 1822 (Diptera: Syrphidae) from the Caucasus, with the description of 14 new species, European Journal of Taxonomy 1023, pp. 1-181 : 58

publication ID	https://doi.org/10.5852/ejt.2025.1023.3097
publication LSID	lsid:zoobank.org:pub:70585BDD-5981-4967-A09C-543CE5D7C717
DOI	https://doi.org/10.5281/zenodo.17442637
persistent identifier	https://treatment.plazi.org/id/03F19912-AF6C-FFF7-FE2F-FE9EF98D7A3D
treatment provided by	Plazi
scientific name	Cheilosia ( Eucartosyrphus ) flavissima Becker, 1894
status

Treatment

Cheilosia ( Eucartosyrphus) flavissima Becker, 1894 View in CoL

Fig. 28

Chilosia flavissima Becker, 1894: 371 View in CoL .

Cheilosia pallipes Loew, 1863 View in CoL – Stackelberg & Richter 1968: 247. — Peck 1988: 112.

Chilosia flavissima View in CoL – Barkalov 1993: 712. — Mengual et al. 2020: 23.

Differential diagnosis

The male of Cheilosia flavissima is similar to that of C. ruffipes and C. scutellata , but more yellow: face and trochanter partly yellow and basal one third of wing with yellow veins, all black in C. ruffipes and C. scutellata . All males of the three species stand out amongst other Cheilosia in having a broad facial tubercle, but in C. flavissima this is less pronounced than in C. ruffipes and C. scutellata . The female is also very yellow, the only Cheilosia having the combination of yellow pro- and mesofemur and entirely yellow scutellum.

Material examined

Species not collected.

Genetics

All DNA sequences of C. flavissima group together with high support (BS = 100%).

Distribution

Palaearctic. Within the Caucasus, only reported from Azerbaijan.