Stilobezzia (Acanthohelea) nigerrima Ingram and Macfie, 1931

Cazorla, Carla G. & Spinelli, Gustavo R., 2014, A revision of the Patagonian predaceous midges of the subgenus Acanthohelea of Stilobezzia excluding the S. (A.) edwardsi group (Diptera: Ceratopogonidae), Journal of Natural History 49, pp. 1-55 : 24-25

publication ID

https://doi.org/ 10.1080/00222933.2014.939728

persistent identifier

https://treatment.plazi.org/id/AC3F87B8-FF83-FFA3-370C-FD63C5F9B27E

treatment provided by

Carolina

scientific name

Stilobezzia (Acanthohelea) nigerrima Ingram and Macfie, 1931
status

 

Stilobezzia (Acanthohelea) nigerrima Ingram and Macfie, 1931 View in CoL

( Figure 15D)

Stilobezzia nigerrima Ingram and Macfie, 1931: 196 View in CoL (female; Argentina).

Stilobezzia (Neostilobezzia) nigerrima: Das Gupta and Wirth, 1968:141 View in CoL (in list); Wirth, 1974: 43 (in catalogue of New World species south of USA).

Stilobezzia (Acanthohelea) nigerrima: Spinelli and Wirth, 1993: 51 View in CoL (in list; Argentina); Borkent and Wirth, 1997: 233 (in World catalogue); Borkent and Spinelli, 2000:52 (in catalogue of species of southern USA); Cazorla and Spinelli, 2007: 181 (male; Chile); Borkent and Spinelli, 2007: 85 (in Neotropical synopsis); Borkent, 2014: 135 (in online World catalogue).

Diagnosis

The only Patagonian species of Stilobezzia (Acanthohelea) with the thorax entirely dark brown, legs dark brown except coxae brown, trochanters and base of mid and hind femora slightly paler. Males sternite 9 with rounded, narrow, deep posteromedian excavation. Females anterior margin of sternite 8 convex with a U-shaped posteromedian excavation.

Distribution

Argentina (Río Negro), Chile (Malleco, Valdivia, Llanquihue, Chiloé) ( Figure 19).

Types

Holotype female, 1 female paratype, Argentina, Prov. Río Negro, Bariloche , 1 December 1926, F. and M. Edwards ( BMNH).

Other specimens examined

Chile, Malleco prov. , Parque Nacional Nahuelbuta, 26 December 1984, J. A. Downes, 2 females, sweep net (JAD 1682/2/7,101) ( CNCI) ; Valdivia prov., Isla Teja , 28 December 1984, J. A. Downes, 1 male, sweep net (JAD 1684/1/2) ( CNCI) ; same data except Osorno around Los Ulmos, 29 December 1984, 1 female (JAD 1687/3/1) ( CNCI) ; Puringe Pobre , 8 January 1985, J. A. Downes, 2 females, sweep net (JAD 1692/1/24,25) ( CNCI) ; Llanquihue prov. , road to Los Ulmos, 29 December 1984, J. A. Downes, 1 female, sweep net (JAD 1685/1/5) ( CNCI) ; Chiloé prov. , Huillinco, 3 January 1985, J. A. Downes, 3 females, 2 males, sweep net (JAD 1690/3/6,8,9,20,21) ( CNCI) ; same data except 4 January 1985, 3 females (JAD 1691/2/45,57,56) ( CNCI) .

Remarks

This species was redescribed and illustrated in detail by Cazorla and Spinelli (2007).

CNCI

Canadian National Collection Insects

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Ceratopogonidae

Genus

Stilobezzia

Loc

Stilobezzia (Acanthohelea) nigerrima Ingram and Macfie, 1931

Cazorla, Carla G. & Spinelli, Gustavo R. 2014
2014
Loc

Stilobezzia (Acanthohelea) nigerrima: Spinelli and Wirth, 1993: 51

Borkent A 2014: 135
Cazorla CG & Spinelli GR 2007: 181
Borkent A & Spinelli GR 2007: 85
Borkent A & Wirth WW 1997: 233
Spinelli GR & Wirth WW 1993: 51
1993
Loc

Stilobezzia (Neostilobezzia) nigerrima:

Wirth WW 1974: 43
1974
Loc

Stilobezzia nigerrima

Ingram A & Macfie JWS 1931: 196
1931
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