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PACIFIC SCIENCE, Vol. XII, July, 1958 
Fig. 27. Plecia tergorata Rondani. a, Ninth sternum; 
b, right clasper, end view; c, ninth tergum. 
more slender and pointed as seen from a ven- 
tral view. I have studied in detail a specimen 
from W. Java which compared with Edwards’ 
type in all respects. The claspers are joined 
and the difference in shape seems to be due to 
orientation. I see no way to distinguish these. 
Plecia tergorata has not been recognizable 
from the literature. Brunetti (1912, Fauna of 
British India, Diptera Nematocera, pp. 164, 
165) obviously was wrong in recording (re- 
describing) it from India. Speaking of the 
specimens before him from northern India, he 
said "there can be no doubt of their identity 
with this species." His assumptions, however, 
were based entirely upon color and antennal 
characters and his conclusions would have 
applied just as well to more than a dozen 
other species. 
This fits in the complex which has the 
mesonotum rufous and the pleura brown to 
black. The male genitalia show relationship to 
P. javensis Edwards ( fulvicollis complex) by 
having the claspers joined at bases; the struc- 
tures are, however, quite differently developed, 
the claspers lack the long apical lobe and the 
rod-shaped accessory structures at sides of the 
aedeagus are also lacking. 
Male antennae almost entirely dark brown 
to black, tinged with yellow on the scape and 
pedicel; 9-segmented with the apical 2 rather 
closely fused. Ocellar tubercle prominent. 
Mesonotum and scutellum all rufous except 
for a tinge of brown on the front portion of 
the former. Pleura entirely brown to black. 
Halteres brownish yellow. Legs brown, tinged 
with rufous in the ground color of the femora. 
Tibiae and tarsi nearly straight sided, not 
swollen. Wings brown fumose, vein R 2+3 
oblique, entering the costa at about a 60° 
angle to R4+5. The ninth sternum is about two 
times broader than long, acutely pointed at 
posterior lateral margins, and largely mem- 
branous on the posterior median portion. The 
claspers extend as far as apices of sternum, are 
joined at bases by a narrow sclerotized bridge; 
the apices are rounded and a subacute point is 
present on inner margin, as seen from dorsal 
view (Fig. 21a). From an end view the clasper 
is bilobed at apex, with a rounded apical lobe 
and a narrower, truncate subapical lobe on 
outside margin (Fig. 27 b ) . The ninth tergum is 
two times broader than long, deeply cleft on 
the hind margin, and with the posterior lateral 
margins developed into slender lobes, rounded 
at apices (Fig. 21c). 
Length: Body and wings (male), 5. 5-6. 0mm. 
type locality: Borneo. 
Type in the Museo Civico di Storia Natu- 
rale, Genova, Italy. 
I have studied the type female and the series 
of 2 $ 9 and 3 cT cf labeled "Giava Teibodas 
(this may possibly be spelled Tejbodas), Ott 
1872, O. Beccari." They were evidently the 
specimens studied by Rondani and are proba- 
bly paratypes. The details of the genitalia 
given above and the figures are based upon 
one of these males, kindly loaned to me by 
Dr. Delfa Guiglia of the Museo Civico di 
Storia Naturale, Genova. Edwards (193.1, 
Tijdschr. v. Ent. 74: 279) recorded it from 
Sumatra and said it was much like karnyi Ed- 
wards. I have also seen specimens from Bras- 
tagi, Calgdris, Sumatra, Aug. 1924, in the 
British Museum (Natural History). 
