The Phortica Sensu Stricto (Insecta: Diptera: Drosophilidae) From Malaysia
Author
Chen, Hong-Wei
Author
Toda, Masanori J.
Author
Lakim, Maklarin B.
Author
Mohamed, Maryati B.
text
Raffles Bulletin of Zoology
2007
2007-02-28
55
1
23
41
journal article
10.5281/zenodo.5333042
2345-7600
5333042
Phortica
(
Phortica
)
jamilii
Chen & Toda
,
new species
(
Figs. 11–15
)
Diagnosis.
–
Aedeagal median rod subapically with 1 pair of long slender projections and submedially with 1 pair of long, broad, apically bifurcated projections (
Fig. 15
).
Material examined.
–
Holotype
male (terminalia dissected),
MALAYSIA
: Park Headquarters,
Mt. Kinabalu
,
Sabah
, coll.
M. J. Toda
,
20 Mar.1999
(
KPSP
)
.
Paratype
:
1 male
(terminalia dissected), same data as the holotype except for
7 Mar.2000
(
SEHU
)
.
Description. –
Male. Head: Frons brown with large triangular black patch on upper half.
Thorax: Orange yellow. Scutellum with trifurcate brown patch, yellowish white on tip.
Wing: Slightly smoky.
Legs: All femora almost brown. Midleg tibia subapically lacking longer setae on anterior surface.
Abdomen: First to fifth tergites yellow; second tergite with black patches submedially and laterally; third tergite with medially and laterally slightly protruded, sublaterally nearly interrupted, brown band on posterior margin; fourth and fifth tergites each with medially and laterally slightly protruded, brown band on posterior margin and 1 pair of small yellow patches sublaterally; sixth tergite nearly entirely black except yellow medial line, extended below at posterolateral corners (
Fig. 11
).
Male terminalia: Epandrium pubescent anteroventrally and dorsomedially, with ca. 14-15 setae near dorsal to posterolateral margin per side (
Fig. 12
). Surstylus pubescent basally, with several wedge-shaped prensisetae on apical margin to inner surface (
Fig. 13
). Additional plate between cerci and 10th sternite pubescent, medially connected to 10th sternite (
Fig. 14
). Posterolateral lobe of hypandrium large, lacking pubescence (
Fig. 15
). Paramere lacking pubescence; apical process with 3 teeth apically and 1 sensillum subapically; median process triangular; proximal process slender, with 1 sensillum apically (
Fig. 15
). Vertical process of gonopods triangular lobe-like (
Fig. 15
). Aedeagal median rod subbasally with 1 pair of small processes; outer membranous tube convoluted apically, with transparent minute spinules subapically and basally (
Fig. 15
). Aedeagus with 1 pair of looped bridges basally (
Fig. 15
).
Female: Unknown.
Measurements: BL =
4.20 mm
in
holotype
(
1 male
paratype
: 4.18); ThL =
1.94 mm
(1.83); WL =
3.20 mm
(3.08); WW =
1.36 mm
(1.28).
Indices: arb = 3-4/2-3 (3-4/2-3), avd = 0.67 (0.70), adf = 1.45 (1.50), flw = 1.30 (1.40), FW/HW = 0.38 (0.35), ch/o = 0.06 (0.06), prorb = 1.00 (1.00), rcorb = 0.55 (0.60), vb = 0.35 (0.30), dcl = 0.55 (0.60), presctl = 0.60 (0.60), sctl = 1.00 (1.00), sterno = 0.90 (0.95), orbito = 1.30 (1.30), dcp = 0.25 (0.25), sctlp = 1.00 (1.00), C = 2.25 (2.20), 4c = 1.67 (1.60), 4v = 3.33 (3.00), 5x = 1.13 (1.10), ac = 5.00 (4.80), M = 0.75 (0.73), C3F = 0.70 (0.70).
Etymology.
–
Patronym, in honor of Dr. Jamili Nais of the
Sabah
Parks,
Malaysia
.
Distribution
.
–
Malaysia
(
Sabah
).
Remarks.
–
This species is similar to
P.
(
P
.)
eugamma
(Toda & Peng, 1990)
from southern
China
in the pattern of abdominal tergites, but can be distinguished from it by the aedeagal median rod (in
P. eugamma
: aedeagal median rod subapically with 1 single, submedially with 1 paired, small, simple projections).