Macaronesian Muscidae (Diptera). II. The genus Limnophora Robineau-Desvoidy with description of a new Canarian endemic species
Author
Michelsen, Verner
text
Zootaxa
2021
2021-04-08
4952
1
101
127
journal article
7374
10.11646/zootaxa.4952.1.6
364a2818-9890-4a57-91cd-d5dcf0f36c6f
1175-5326
4671806
5C640B7A-AA7A-435B-93C7-F9AC61A71A9B
Limnophora exigua
(Wiedemann)
(
Figs 2A‒C
,
12A, B
)
FIGURE 2.
Limnophora exigua
(Wiedemann)
. Male. Hypopygium, caudal (
A
) and lateral (
B
); sternites IV‒V (
C
). Same scale.
Limnophora plumiseta
Stein
;
Emden 1958: 6
(
Cape Verde
Is.).
Limnophora exigua
(Wiedemann)
;
Pont 1980: 748
.
Material examined.
[
NHMD
]: Only extralimital specimens seen from the
Philippines
(Oriental),
Kenya
and
Tanzania
(Afrotropical).
Diagnosis.
Very small, wing length
2.7‒3.4mm
.
Male:
See
Couri & Pont (2020: 7
, figs 41‒43) for habitus im- ages. Arista short-plumose, longest branches 0.5‒0.75 times as wide as postpedicel. Frons broad, subshining black on large frontal triangle and upper part of fronto-orbital plates, silvery pruinose on lower part of fronto-orbital plates and on parafacial plates. Fronto-orbital plate with 2 orbital and 4 frontal setae. Frons and facial margin equally produced. Mesonotum grey pruinose with broad band behind the suture and all scutellum brownish black. Dorsocentral setae 4 unequal behind the suture; acrostichal field with setulae only, arranged in 4 presutural rows and up to 8 rows behind the suture. Mid femur with 2 subapical
pd
setae, without
pv
setae; mid tibia with 2
pd
setae situated above and below middle. Hind femur with 2
av
setae on subapical part;
pv
setae absent. Male tergite VI fused together with prehypopygeal sclerite. Sternite I bare. Sternite V and hypopygium as in
Figs 2A‒C
.
Female:
Very similar to the male. Ovipositor (
Figs 12A, B
) short and thick; tergite VIII with a pair of dorsal hind marginal setulae. See
Table 1
for more ovipositor characters.
Distribution.
Cape Verde
Islands: Santo Antão,
São Vicente
, São Nicolau, Santiago [São Tiago], Brava. Widely distributed in the Old World tropics.