New species and redescriptions of the New Zealand genus Exsul Hutton (Diptera: Muscidae: Coenosiinae)
Author
Barbosa, Leandro Silva
Author
Couri, Márcia Souto
text
Zootaxa
2013
3647
2
382
389
journal article
10.11646/zootaxa.3647.2.9
c74fcae6-e613-45f9-83b5-9ab841188eed
1175-5326
223965
8DC076C7-08AE-4860-BD6C-92BF54DBEC2D
Exsul tenuis
Malloch, 1923
(
Figs. 7–11
)
Exsul tenuis
Malloch, 1923: 674
.
Holotype
male, deposited at Smithsonian Institution, National Museum of Natural History, Department of Entomology [not examined]. Type-locality:
New Zealand
, Milford Sound.
24.xii.1920
. Collector C. Fenwick.
Diagnosis.
Dorsocentrals 2+4. Wings similar to female of
E. singularis
, although hyaline. This species is similar to
E. singularis
differing as follows:
Male. Body length:
11 mm
; wing:
13 mm
General coloration. Wing veins with a remarkable brown suffusion along their length and hyaline in females.
Head. Frontal row with six pairs of setae.
Thorax. Dorsocentral setae 2+4. Legs without intense pilosity; fore and hind tibia with a posterior median seta.
Abdomen. Cylindrical.
Terminalia. Hypandrium plate-like. Aedeagus apex enlarged; distiphallus complex with sclerotized structure and distal membrane developed; gonopod relatively short and paramere developed and subpointed (
Fig. 7
). Sternite 5 setulose, subtriangular (
Fig. 8
). Cercal plate developed with posterior concavity (
Fig. 9
).
Female. Length:
11 mm
, wing:
13 mm
Similar to male, except for wings hyaline and abdomen elliptic.
Ovipositor. Moderately long, with large tergites with setae on posterior edge. Sternite 6 thick and 7 arrowshape with five setae (
Fig. 10–11
).
Material examined.
NEW ZEALAND
: McKinnon,
28.xii.1919
, Tillyard col., Malloch det. [13, USNM 13 (nº85.710), AMNZ]. Milford Sound,
24.xii.1920
, C. Fenwick col., Sabrosky det., [
Allotype
, 1Ƥ, USNM]. McKinnon Pass,
29–30.xii.1919
, [no collector name] [43 (nº 81.802, 81.803, 81.804 and 85.709), 2Ƥ (nº 81.805 and 81.806) AMNZ].