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 hebes
Cui and Marshall
,
new species
(
Figs. 143–149
,
370
)
As described for
Robustagramma altifrons
except as follows.
Body length 1.0–
1.6 mm
. General color reddish to dark brown. Scutum with four inconspicuous grey vittae. Interfrontal bristles in 4 or 3 pairs in addition to interfrontal setulae. Eye height
ca
. 1.7–1.9 times genal height. Two preapical palpal bristles,
ca
. 1.5 times as long as maximum width of palpus.
Posterodorsal katepisternal bristle over half as long as distance between bristle base and wing base. Wing with length ratio of second to third costal sector
ca
. 0.42–0.50. Mid tibia of male with an apicoventral and several very short ventral bristles on distal third; mid femur of male with a row of 3 or 4 ventral proximal bristles.
Male terminalia: Sternite 5 with 3 pairs of stout bristles around borderline. Dorsomedial length of epandrium
ca
. 0.3X length of sternite 8. Apex of surstylus rounded in lateral view. Cercus distinctly shorter than surstylus.
Female terminalia: Tergite 10 with 2 small bristles and several small setulae on posteromedial area. Sternite 7 longer than sternite 6, rounded posteriorly.
Holotype
(
♂
,
DEBU
)
paratypes
(
6 ♂
,
5 ♀
,
DEBU
):
UNITED STATES
:
Florida
, Archbold Bio. Stn., scrub FIT (hill loop),
9–18.xii.1985
,
S.A. Marshall.
FIGURES 143–149.
Robustagramma hebes
sp. nov.
: 143, posterior view of male terminalia; 144, lateral view of male terminalia; 145, lateral view of male internal genitalia; 146, male sternite 5; 147, dorsal view of female terminalia; 148, ventral view of female terminalia; 149, spermathecae.
Other
paratypes
:
UNITED STATES
:
Alabama
.
Bon Secour National Wildlife Refuge
, malaise,
5–7.v.1994
,
S.A. Marshall
(
1 ♂
,
DEBU
)
.
Florida
.
Archbold Bio. Stn.
, under mushroom, 18.xii,1985,
S.A. Marshall
(
1 ♂
,
1 ♀
,
DEBU
)
.
Same
locality as previous label, but mushroom bait on sand,
12–18.xii.1985
, (
2 ♂
,
2 ♀
,
ABSF
)
;
Lk Annie
, yellow pan near shoreline,
13–18.xii.1985
(
1 ♂
,
1 ♀
,
DEBU
)
;
under fresh mushroom/sand,
13.xii.1985
(
3 ♀
,
DEBU
)
.
Marion Co.
,
Rd
65
Ocala Natl. For.
, sandpine human dung,
10–15.vi.1984
(
2 ♂
,
DEBU
)
;
Silver Springs Wd
,
sandpine mushroom trap
,
7.vi.1984
(
4 ♂
,
5 ♀
,
DEBU
)
;
vacuum wild mushroom,
22.vi.1984
(
2 ♂
,
DEBU
)
;
wild mushroom trap
,
23–24.vi.1984
(
9 ♂
,
12 ♀
,
DEBU
)
;
FIT and sandpine FIT,
6–23.vi.1984
(
2 ♂
,
DEBU
)
;
human dung, sandpine,
11.vi.1984
(
1 ♂
,
DEBU
)
,
S.A.
Marshall. Marion Co.
, sand trail to
Oklawaha Swamp
,
10–15.vi.1984
,
mushroom trap
,
S.A. Marshall
(
12 ♂
,
7 ♀
,
DEBU
)
.
Marion Co.
,
Ocala Natl. For.
,
8–11.vi.1984
,
Oak Grove mushroom trap
(
1 ♂
,
DEBU
)
;
12–14.vi.1984
, sandpine, maggot bait (
1 ♂
,
3 ♀
,
DEBU
)
;
Rd
80
Ocala Natl.For.
,
10–12.vi.1984
, sandpine FIT (
1 ♂
,
DEBU
)
,
S.A. Marshall. Marion Co.
,
Ocala Natl. For.
,
Zay Prairie
,
8–14.vi.1984
,
carrion trap
(
1 ♂
,
DEBU
)
;
Ocala Natl. For.
, near
Zay
prairie,
14–18.vi.1984
,
mushroom trap
,
Palmetto Scrub
(
2 ♂
,
DEBU
)
;
Ocala Natl.For.
,
Salt Spring Is.
,
14–18.vi.1984
, pine, human dung (
2 ♂
,
DEBU
)
;
S.A.
Marshall. Marion Co.
, 175, 4 mi N exit 67,
12–18.vi.1983
,
pig dung trap
,
R.E. Woodruff
(
1 ♀
,
DEBU
)
.
Highlands Co.
,
Lk. Placid
,
Archbold Biol. Sta.
,
M. Deyrup
,
6.V.1985
, malaise (
1 ♂
,
DEBU
)
;
13.v.1985
(
1 ♀
,
DEBU
)
;
28.x.1985
(
2 ♂
,
1 ♀
,
DEBU
)
;
30.X.1985
(
1 ♀
,
DEBU
)
;
11.xi.1985
, malaise (
1 ♂
,
DEBU
)
;
25.xi.1985
(
1 ♂
,
1 ♀
,
DEBU
)
;
27.xi.1985
(
4 ♂
,
1 ♀
,
DEBU
)
;
2.xii.1985
, malaise (
1 ♂
,
DEBU
)
;
11.i.1986
(
1 ♀
,
DEBU
)
.
Same
locality as previous label,
12–18.xii.1985
, FIT (
1 ♂
,
DEBU
)
;
13– 18.xii.1985
, rotten fungi (
1 ♂
,
4 ♀
,
DEBU
)
,
S.A. Marshall. Orange Co.
,
E. Orlando
,
2– 3.vii.1982
, pig dung, sandpine scrub,
Woodruff
(
2 ♂
,
DEBU
)
.
Georgia
.
Telfair Co.
,
Little Ocmulgee St Pk
near
Mc Rae
,
6–25.vi.1984
,
mushroom trap
,
S.A. Marshall
(
10 ♂
,
5 ♀
,
DEBU
)
.
New Jersey
.
Burlington Co.
,
4 mi
WNW Mt. Misery
, pineoak, carrion,
4– 19.viii.1969
,
A. Newton
(
1 ♂
,
DEBU
)
.
West Virginia
.
Pendleton Co.
, spruce knob, 4600', conifer for., dung,
27.vii–9.viii.1969
,
A. Newton
(
1 ♂
,
DEBU
)
.
Etymology: The specific epithet refers to the blunt and rounded surstylus apex.