A review of the Afrotropical genus Mycomyiella Matile, 1973 (Diptera, Mycetophilidae, Mycomyini), with the description of six new species
Author
Gammelmo, Øivind
text
Zootaxa
2004
625
1
30
journal article
10.5281/zenodo.158134
0cb5b57f-9c51-4490-8b2f-5c5eadabe663
11755326
158134
A1290AE0-0BA3-414B-9B24-E34640A53588
Mycomyiella kaputuensis
new species
(
Figs 19–22
)
Type
material:
Holotype
male,
TANZANIA
, Tanga region, West Usambara Mountains, Mazumbai, Kaputu stream,
26.xi.1990
, ZMB's
Tanzania
Expedition, (
ZMUN
).
Paratypes
:
as for
holotype
except
3 males
,
27.xi.1990
;
1 male
20–26.xi.1990
.
Etymology:
Named after the
type
locality, Kaputu stream in the West Usambara Mountains,
Tanzania
.
Diagnostic characters:
The male groups with
M. irwini
Väisänen
in having a forked gonostylus and in having the lobe of the gonocoxite reduced. It can be separated from
M. irwini
by tergite 9 bearing long lobes.
Description
Male
(n=18). Total length 2.98–3.71,
3.45 mm
.
Coloration:
Head light brown to brown. Palpomeres and other mouthparts light brown to yellow. Ocellar area dark brown. Face light yellowbrown, posterior parts of head brown. Antennae yellowbrown; scape, pedicel and base of first flagellomere yellow. Antepronotum yellow.
Scutum
brown to dark brown with 3 yellow longitudinal bands. Anepisternum and preepisternum yellow. Scutellum light brown to brown. Laterotergite light brown to brown, mediotergite brown. Coxa yellow; femur, tibiae and tarsi light brown. Tergite 1 light brown; tergite 2 yellow with posterior, light brown band; tergite 3 brown; tergite 4 yellow with narrow brown median line; tergites 5–6 brown; tergite 7 yellow. Sternites 1–4 yellow, sternites 5–6 yellow with brown lateral patches, sternite 7 yellowbrown. Terminalia light brown to brown.
Head:
Head 0.47–0.53,
0.51 mm
long; 0.50–0.55,
0.51 mm
wide. First flagellomere about 1.5 times as long as wide, second flagellomere as long as wide. Ocellar area 0.10– 0.13,
0.11 mm
wide; placed below upper margin of compound eye. Clypeus 0.10–0.13,
0.12 mm
long; with lateral and apical setae. Some setae in front of ocellar area. Posterolateral portion of frons densely setose, setae reaching just below ocellar area. Face bare. Mouthparts elongated. Palpomere 4 with 2–5 setae subbasally, palpomere 3 with several setae in basal twothirds. Palpomere ratios (2–5) as: 1.00: 3.25: 3.00: 5.25.
Thorax:
Total length 0.75–0.85,
0.80 mm
.
Scutum
0.64–0.72,
0.68 mm
long; scutellum 0.13–0.18,
0.17 mm
long.
Legs:
Leg measurements and ratios as in Tables 4 & 5.
Wing:
Wing 3.00–3.32,
3.22 mm
long; 1.09–1.13,
1.12 mm
wide. Sc1 lacking. Sc ending in R1 slightly distal to middle of small cell. Sc with 7–12, 9 macrotrichia apically. R4/ Rscell 1.0–2.0 times as long as wide. CuA fork slightly distal to M fork. Wing measurements are given in
Table 6
.
Abdomen:
Length of abdomen 2.56–2.72,
2.68 mm
; tergite 5 0.63–0.82,
0.73 mm
wide.
Male terminalia
(
Figs 19–22
). Tergite 8 wide; with 5–7 long posterolateral setae. Tergite 9 short, setose; lobe reduced. Gonocoxite bare; lobe reduced; lateral prolongation small, rounded, with few setae. Gonostylus forked in apical twothirds, with few setae, occasionally bare. Aedeagus of medium size, covered with short setae, with stronger setae subapically. Sternite 8 long, bluntly pointed apically, densely setose in apical half.
Female:
Unknown.
Distribution:
Known from the
type
locality in the West Usambara Mountains in NorthEast
Tanzania
only.