New World species of Asymphyloptera Collin (Diptera: Empididae: Clinocerinae)
Author
Sinclair, Bradley J.
text
Zootaxa
2015
4048
4
553
564
journal article
10.11646/zootaxa.4048.4.6
12dd6a18-8481-4dc9-8727-8cfbfc138f7a
1175-5326
237775
FE00B390-0362-42F7-B6F8-67D35141E014
Asymphyloptera chilensis
sp. nov.
(
Figs 1
,
9
)
Type
material
.
HOLOTYPE
, ♂ labelled: “
CHILE
, Region X (Las Lagos)/ Parque Nacional Puyehue, Rio/ Anticura above Salto R. Anticura/
S40º40.28'
W72º10.21'
;
420m
/
4.xii.2008
GW Courtney (
CH
08-39)”; “
HOLOTYPE
/
Asymphyloptera
/
chilensis
/ Sinclair [red label] [dissected]” (
CNC
).
PARATYPE
:
Chile
: Same data as
holotype
(1 ♀,
CNC
).
Recognition
. This species may be distinguished by dark pleura and legs; five dorsocentrals; strongly produced hypandrium, expanded and complex apex of the phallus and broad ejaculatory apodeme.
Description
.
Male
. Postpedicel globular with long, slender apical extension, arising subapically. Ocellar setae short, stout, subequal in length between anterior and posterior ocelli. Labrum 3/4 length of clypeus; palpus brown, subequal to labrum, tapered to slender apex.
Pleura dark brown without bluish pruinescence. Chaetotaxy very short and stout; 1 pprn short, very slender; 2 npl; 5 dc, anterior dc offset; 2 apical sctl,
2X
longer than prescutellar dc, 2 pairs of lateral sctl setulae. Legs dark brown; femora with antero- and posteroventral rows of pale, slender setae, longer on fore femur, subequal in length to width of fore femur; fore tibia with biserial row of erect setae. Wing length
2.2 mm
(
Fig. 1
); crossvein h distinct; base of wing with 4–5 somewhat thickened setae along posterior margin. Halter pale at base of stem.
Male terminalia (
Figs 1
,
9
): Cercus with short anterior expansion and narrow posterior lobe. Hypandrium broadly produced posteriorly; apex prolonged and tapered as postgonites; apical margin of postgonite extended anteriorly, narrow; posteroapical margin finger-like. Epandrium narrow, with short setae on apical half. Surstylus short, slender, slightly arched lobe; apex rounded. Phallus greatly expanded apically, with broad fluted membrane and long anterior rod; ejaculatory apodeme laterally flattened and expanded.
Female
. Similar to male. Terminalia not dissected.
Etymology
. Named after the
type
locality.
Distribution
. Known only from the
type
locality in
Chile
in PN Puyehue, collected on rocks in Rio Anticura (
Fig. 3
). This is the first record of
Asymphyloptera
from
Chile
, long presumed to occur in this region of South
America
.