Systematics of Robustagramma, a new genus of New World Sphaeroceridae (Diptera)
Author
Marshall, Stephen A.
Author
Cui, Yongsheng
text
Zootaxa
2005
2005-07-29
1026
1
1
122
https://biotaxa.org/Zootaxa/article/view/zootaxa.1026.1.1
journal article
10.11646/zootaxa.1026.1.1
11755334
5049813
3EDC6787-C73B-4969-BA06-022D0532364F
Robustagramma paralongiseta
Cui and Marshall
,
new species
(
Figs. 25–28
)
As described for
Robustagramma longiseta
except as follows.
Male: General color brownish yellow. Eye height
ca
. 2.2 times genal height. Halter knob pale. R
2+3
with (left wing) or without (right wing) a vein stump. Length of second costal sector
ca
. 0.42X length of third. Legs yellowish. Mid femur with 4 anterior bristles on distal third, and two irregular rows of 8 postventral bristles on basal third.
Male abdomen: Yellowish. Posteromedial protuberance of sternite 5 dull, with many small setulae. Apices of cerci slightly tapered in lateral view. Aegeagal apodeme small.
Female: Unknown.
Holotype
(
♂
,
DEBU
):
VENEZUELA
:
Aragua
.
Henri Pittier Natl. Pk.
, Rancho Grande Biol. Sta.,
v.1998
,
Ashe
,
Brooks
&
Hanley.
Comment: This species is very close to
Robustagramma longiseta
, differing most obviously in the modifications of male sternite 5. In
R. paralongiseta
sternite 5 has a dull, setose posteromedial protuberance (shiny or smooth in
R
.
longiseta
).