Review of the genus Camptochaeta Hippa & Vilkamaa (Diptera, Sciaridae), with the description of nine new species
Author
Vilkamaa, Pekka
Author
Hippa, Heikki
Author
Heller, Kai
text
Zootaxa
2013
3636
3
476
488
journal article
10.11646/zootaxa.3636.3.6
039fb92f-20d1-4f56-8385-a54e0902a2e1
1175-5326
220356
87B1404E-4DCE-43EF-9A49-F4096F63E43D
Camptochaeta formosa
sp. n.
Figs 3
A, B
FIGURE 3.
Camptochaeta formosa
sp. n.
(holotype).
A.
Part of hypopygium, ventral view.
B.
Gonostylus, ventral view. Scale 0.10 mm.
Material studied.
Holotype
male.
CANADA
, British
Columbia
, Lake Kinbasket, Canoe Reach near Valemount, sampling station 15, Malaise trap,
12.VI.2010
, Cooper, Beauchesne and Associates Ltd. (in CNC).
Description.
Male.
Head
. Brown, antenna paler brown, maxillary palpus very pale brown. Eye bridge 2 facets wide. Face with 9 scattered longer and shorter setae. Clypeus with 1 seta. Maxillary palpus with 3 palpomeres; palpomere 3 longer than palpomere 1, palpomere 2 shortest; palpomere 1 with 1(2) long sharp seta, with a dorsal patch of sensilla; palpomere 2 with 1 long sharp seta and 3 shorter truncate setae, palpomere 3 with 6–8 short truncate setae. Body of antennal flagellomere 4 2.65x as long as wide, the neck shorter than long, the longest setae slightly longer than the width of flagellomere.
Thorax
. Brown, setae dark. Anterior pronotum with 4 setae. Episternum 1 with 5 setae.
Wing.
Wings missing in the specimen studied. Halter pale brown.
Legs
. Pale yellowish brown. Coxal setae dark. Front tibial organ in depression with vestiture in patch. Front tibial spur slightly longer than the tibial width.
Abdomen
. Pale brown, setae dark.
Hypopygium,
Figs 3
A, B. Brown, paler than abdomen. Gonocoxa longer than gonostylus. Gonostylus slender with the mesial side impressed at apical half; apicomesially with a few elongated setae; with a large apical tooth, with 3 apical-subapical megasetae, with 2 mesial megasetae close to each other at the apical third, the mesial megasetae slightly larger than the apical ones, all long, narrow and nearly straight; with a poorly differentiated flagellate seta basad of the mesial megasetae. Tegmen much broader than long, with roundish basolateral corners with sclerotized sides.
Discussion.
See under
Camptochaeta anceps
.
Etymology.
The name is Latin,
formosa
, beautiful, referring to the nice and delicate structure of the hypopygium.