Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species
Author
Lavigne, Robert J.
Author
Dennis, Steve
text
Zootaxa
2019
2019-08-30
4662
1
1
126
journal article
25823
10.11646/zootaxa.4662.1.1
7070ef91-15db-4b7e-a87d-72e7b0bdb192
1175-5326
3383448
366A1E81-946C-4ED4-8A65-C51151FE87CC
Cyrtopogon montanus wilcox
i James
Cyrtopogon montanus wilcoxi
James, 1942: 124
.
Recognition characters:
Blackish species; length
14–16 mm
; third antennal segment black; mystax white with a few black bristles above; thorax gray and brown pollinose; wings smoky; macrotrichia of costal vein black; scutellar setae black, abdomen shining black with gray pollinose fasciae entire on tergites 2–5; lateral setae on abdominal segments
1–4 in
male, black except for some white pile on segment 1, in female lateral setae on white; wings with brownish cast, legs, femora and tibiae black, tarsi reddish brown.
Distribution:
ALBANY: Pine Unit, Libby Creek/Snowy Range Mtns./Medicine Bow National For.,
12 June 1977
(
RJL
). CARBON: Copperton,
2 Sept. 1959
(
WDF
,
ADD
); Ryan Park,
19–20 July 1964
(
LJS
). NATRONA: Casper Mtn.,
18 July 1968
(
RJL
),
27 July 1975
(
RJL
); PLATTE:
56 km
SW of Wheatland/Rte. 34,
1,829 m
(
6,000 ft
),
24 May 1978
(
RJL
). SHERIDAN: Big Horn Mtns., 2.5 km NE of top of Granite Pass, elevation
2,690 m
(
8,825 ft
) (
HBL
) (three specimens in
CAS
). TETON: Grand Tetons, Jackson Hole,
28 June 1938
(
ECVD
) (specimen in
CAS
); Grand Tetons, Jenny Lake, 25,
28 June 1938
(
ECVD
) (three specimens in
CAS
); Grand Tetons National Park,
23 June 1938
(
ECVD
) (two specimens in
CAS
). Recorded from
Wyoming
by:
Bullington & Lavigne (1992)
;
Dennis & Lavigne (1976d)
(oviposition; as
Cyrtopogon inversus
);
Dennis
et al.
(2007
,
2010
);
Geller-Grimm (2018)
;
Lavigne & Dennis (1994)
.
Habitat:
Douglas fir forest and pine-douglas fir forest vegetation
types
.
Ethology:
Forages from sun-lit surfaces of boulders, rarely for brief periods from other substrates; courtship
(
see
Bullington and Lavigne 1992
).
Prey:
All records are for North Fork Campground, Snowy Range Mtns. unless otherwise indicated.
DIPTERA
,
Bibionidae
:
Bibio knowltoni
Hardy
,
28 May 1981
,
1 June 1981
;
Ephydridae
:
Scatella laxa
Cresson, Ryan Park
,
20 July 1964
.
HEMIPTERA (Heteroptera)
,
Aradidae
:
Aradus
sp.,
3 July 1975
.
Miridae
:
Irbisia
sp.,
8–9 June 1978
;
Labops hesperius
Uhler
,
8 June 1978
;
Lopidea
sp.,
4 July 1975
;
Phyllopidea picta
Uhler
,
5 June 1981
. COLEOP- TERA,
DIPTERA
,
HEMIPTERA (Homoptera)
,
HYMENOPTERA
(see
Bullington & Lavigne 1992
;
Dennis & Lavigne 2007
;
Dennis
et al.
2010
;
Lavigne & Dennis 1994
).