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
Proctacanthella cacopiloga
(Hine)
Asilus cacopilogus
Hine, 1909: 165
.
Recognition characters:
Brown species; length
15–16 mm
; mystax white; thorax gray pollinose laterally and brown pollinose dorsally; scutellar setae and bristles white; wings hyaline; abdomen brownish gray pollinose, male genitalia with pencil of white setae; legs reddish brown anterior side of fore femora and apical three fourths of middle and hind femora black, apex of tibiae black, setae and bristles of legs white.
Distribution
: CONVERSE: Glenrock, Dave Johnston Plant,
13 June 1974
(
RJL
), 13,
17 July 1974
(
RJL
). FREMONT: near Lander,
1,524
–2,438
m
(
5,000
–8,000
ft
),
July 1895
(
RM-UK
) Poison Creek, Shoshoni,
14 July 1964
(
FRH
,
RJL
). GOSHEN:
20 July 1950
(
DGD
); Torrington,
18 July 1960
(
DGF
);
18 Aug. 1949
(
DGD
). HOT SPRINGS: Thermopolis
20 km
N,
14 Aug. 1975
. NIOBRARA:
13 July 1952
(
REP
). PLATTE: Camp
Guernsey
, WANG, 2001b, (
CSU
,
GMAD
); Gray Rocks Ranch, Camp
Guernsey
, WANG,
14 July–5 Aug. 2008
(
CSU
,
GMAD
); Hartville,
9–17 July 1963
(
RJL
);
11 km
N of Hartville,
15 July 1968
(
RJL
); Dwyer, numerous records,
1 July–19 Aug.
(
RJL
); Oregon Trail Park,
Guernsey
,
6 July 1972
(
SD
); Register Cliff,
Guernsey
, numerous records,
1 July–2 Sept.
(
FRH
,
RJL
,
SD
); Wheatland,
28 June 1972
(
SD
),
18 July 1963
(
RJL
),
30 July 1974
(
SD
),
18 Aug. 1964
(
FRH
,
RJL
). Recorded from Wyoming by:
Adisoemarto (1967)
(Lance Creek,
1 July–2 Sept.
);
Dennis & Lavigne (1975
,
1976b
) (pupal case);
Dennis
et al.
(2008)
(pupal case), (2009, 2010);
Geller-Grimm (2018)
;
Lavigne & Dennis (1994)
;
Lavigne &
Holland
(1969)
[as prey of
Diogmites angustipennis
and
Pogonioefferia helenae
(as
Efferia helenae
)].
Habitat:
Sagebrush steppe and wheatgrass-needlegrass shrub steppe shrub and grassland, and grama-needlegrass-wheatgrass and grama-buffalo grass grassland vegetation
types
. Protected gullies both with and without pine cover and sandy, dry areas on the short- to mid-grass plains, rangeland (see
Dennis & Lavigne 1975
).
Ethology:
Forages both from the ground and vegetation (see
Dennis & Lavigne 1975
).
Prey:
ARANEAE,
COLEOPTERA
,
DIPTERA
,
HEMIPTERA (Heteroptera, Homoptera)
,
HYMENOPTERA
,
LEPIDOPTERA
,
ORTHOPTERA
, TRICHOPTERA, (see
Dennis & Lavigne 1975
;
Dennis
et al.
2009
,
2010
;
Lavigne & Dennis 1994
;
Rogers & Lavigne 1972
).