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 luciense
Cui and Marshall
,
new species
(
Figs. 221–227
)
As described for
Robustagramma biangulatum
except as follows.
Body length
1.4–2.1 mm
. Postocellar bristles cruciate,
ca
. 2/3 as long as postvertical bristles. Eye height
ca
. 2.5 times genal height. Preapical palpal bristles slightly longer than maximum palpal width. Posterodorsal katepisternal bristle 4/5 as long as distance between bristle base and wing base. Wing with costa between humeral and subcostal break slightly thinner than second costal sector in anterior view. Length of second costal sector
ca
. 0.45– 0.47X length of third. Mid tibia of male with short, stout ventral bristles on distal 2/3; mid femur of male with a distinct row of anteroventral bristles on basal 2/3 and more than 10 ventral proximal bristles in two rows.
Male terminalia: Sternite 5 without stout bristles or other characteristic bristles. Surstylus with a truncate apex in lateral view. Cercus similar in length to surstylus, with a slightly ampliate apex. Dorsal whiplike sclerite of distiphallus with a small nodule.
Female terminalia: Two sclerites of sternite 8 indistinct. Spermathecae with relatively short ducts; ducts of paired spermathecae
ca
. 1.3 times length of spermatheca.
Holotype
(
♂
,
DEBU
) and
paratypes
(
4 ♂
,
10 ♀
,
DEBU
):
ST. LUCIA
:
ii.1978
,
S. A. Marshall.
Other
paratypes
:
Same
data as holotype but dung trap (
3 ♂
,
DEBU
)
.
ST. LUCIA
:
20.ii.1978
(
3 ♂
,
2 ♀
,
DEBU
)
;
Casenbas beach,
ii.1978
(
1 ♂
,
DEBU
)
;
Castries
,
16– 26.ii.1978
(
1 ♂
,
1 ♀
,
DEBU
)
, S. A. Marshall.