Eight new species of Regasilus Curran, 1931 (Diptera: Asilidae: Asilinae) from Peru
Author
Sánchez, Pável
text
Zootaxa
2020
2020-12-09
4894
2
221
246
journal article
9298
10.11646/zootaxa.4894.2.3
b00eef29-7f63-490c-adcc-c255c58de342
1175-5326
4315667
0445D812-2DA7-4BAE-97AC-BD91F74BE4AF
Regasilus huiracocha
sp. nov.
(
Figs. 10–11
)
Diagnosis.
Very similar to
R. apu
sp. nov.
, but the hind femur is not fully black, it usually has a faint reddish basal stripe dorsally. Besides, the mystacal macrosetae are wholly black, as well as the katatergal macrosetae. The epandrium is straight, although a pointing-down projection is present at apex (
Fig. 10B
); the ejaculatory apodeme is large, and the phallus narrow (
Fig. 10D
).
Description of male
holotype
(
Fig. 10A
).
Lengths.
Body:
16 mm
; wing:
11 mm
.
Head.
Similar to
R. apu
sp. nov.
, but mystacal macrosetae wholly black; proboscis yellowish setose, as well as lower side of occiput.
Thorax
. As in
R. apu
sp. nov.
but yellowish setae on uppermost portion of anepisternum, besides katatergal macrosetae black.
Wing
(
Fig. 2
). Similar to
R. apu
sp. nov.
; halter yellowish.
Leg
. Similar to
R. apu
sp. nov.
, but hind femur with a faint reddish basal stripe dorsally, besides, black macrosetae predominate on femora.
Abdomen.
Similar to
R. aiapaec
sp. nov.
, but with different terminalia.
Terminalia
(
Figs. 10
B–C). Shining black; epandrium elongate and straight, with a pointing-down projection at apex; long black setae on base, yellowish towards the apex, with conspicuous spiny yellowish macrosetae on posterior margin present; hypandrium broad, with long black setae, excision at posterior margin subrectangular (
Fig. 10E
); gonocoxite subtriangular, apex pointed, with a notch on internal margin and black long setae on external margin (
Fig. 10F
); gonostylus curved upwards, usually visible on lateral view; phallus narrow, almost straight; ejaculatory apodeme wide in lateral view, large, extending to seventh segment (
Fig. 10D
).
Female
(
Fig. 11A
). Similar to male, except terminalia (
Fig. 11B
); spermathecae situated almost at base of seventh abdominal segment, similar to
R. apu
sp. nov.
, but slightly bigger; common duct as long as arms of furca; expulsory ducts twice as long as capsular ducts and about half the length of common duct (
Fig. 11C
).
Etymology.
A masculine noun in apposition, given to Huiracocha, the prehispanic main god in the Andean region of South America, revered as the creator of all things.
Distribution
(
Fig. 20A
).
Peru
, Department of
Cuzco
, Cosñipata Valley, cloud forest on the eastern slopes of the Andes.
Holotype
condition.
Good. Detached terminalia placed in microvial with glycerin and pinned along with the specimen.
Type material.
Holotype
:
PERU
, CU [
Cuzco
]
Valle de Kosñipata
C.I
[Centro de investigación]
Wayqecha
13°10’31”S
,
71’34’53”W
2692 m
22.x.2007
C. Castillo
/
HOLOTYPE
Ƌ
Regasilus huiracocha
Sánchez, 2020
(
MUSM
)
.
Paratypes
:
Same
data as holotype (2Ƌ,
4 ♀
); except for date of collection
,
10.ix.2007
(2Ƌ,
1 ♀
);
14.ix.2007
(
1 ♀
);
06.i.2008
(
1 ♀
);
PERU
, CU,
Kosñipata
,
Wayqecha
, trocha
Perdiz
,
2790 m
13°10’36.0”S
,
71°35’4.4”W
,
26.x.2019
, M. Rodríguez & A. Ayala
leg
/
Paratype
Ƌ
Regasilus huiracocha
Sánchez, 2020
(
MUSM
)
.