Chaetonerius Hendel

Sepúlveda, Tatiana A. & De Carvalho, Claudio J. B., 2019, Chaetonerius Hendel (Neriidae: Diptera) from the East African islands with description of four new species from Madagascar and the Comoros, Zootaxa 4567 (1), pp. 130-146: 134-135

publication ID

https://doi.org/10.11646/zootaxa.4567.1.7

publication LSID

lsid:zoobank.org:pub:735BA5C8-0721-4DD5-A3C5-185FD93186E3

persistent identifier

http://treatment.plazi.org/id/03BF4C70-D963-FFC2-4BC0-F85CFA20FDFA

treatment provided by

Plazi

scientific name

Chaetonerius Hendel
status

 

Key for the identification of Chaetonerius Hendel  from the East African islands

1 Occiput lateral and postgena in a right angle on meeting point with occiput posterior ( Fig. 14View FIGURES 11–15). Face blackish-brown. Proepis- ternum inflated. Fore coxa mostly brown. Palpus brown............................... C. kirkspriggsi  sp. n. ( Fig. 16View FIGURES 16–20). - Occiput lateral and postgena curved on meeting point with occiput posterior. Face mostly to completely yellow. Proepisternum flattened. Fore coxa yellow. Palpus yellow.................................................................. 2

2. Underdeveloped antennal base present ( Figs 11, 12View FIGURES 11–15, indicated by an arrow). Abdomen brown on males and brown with one median longitudinal yellow stripe on females............................................ C. ebejeri  sp. n. ( Fig. 17View FIGURES 16–20).

- Antennal base completely absent. Abdomen brown with two median longitudinal yellow stripes....................... 3

3. Mid and hind coxae yellow. Face dark yellow with median sagittal brownish-yellow to blackish-brown stripe ( Fig. 3View FIGURES 1–6). Katepisternum brown ventrally with dorsal half paler to completely yellow................... C. alluaudi (Giglio-Tos)  ( Fig. 18View FIGURES 16–20).

- Mid and/or hind coxae brown. Face dark yellow with no sagittal blackish-brown stripe, at most with a median darkening, not contrasting. Katepisternum completely brown............................................................... 4

4 Thorax dorsally with one median brown V-shaped stripe. Mid and hind coxae brown. Cercus parallel sided with rounded apex, which has very long and thick setae resembling claws ( Fig. 25View FIGURES 21–25)....................... C. madagasikara  sp. n. ( Fig. 19View FIGURES 16–20).

- Thorax dorsally with V-shaped brown stripe partially divided medially by one gray pruinose narrow stripe; in some cases, the brown stripe fades posteriorly. Mid coxa partially to completely brown and hind coxa yellow. Cercus narrowing distally with slightly pointed apex and sparse, thin and short setae ( Fig. 24View FIGURES 21–25)............................. C. kotrbae  sp. n. ( Fig. 20View FIGURES 16–20).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Neriidae