196 
PACIFIC SCIENCE, VoL VIII, April, 1954 
front and middle tibiae and bases of hind 
femora rufous. The abdomen is missing in 
the type. 
Length: Body, 5.0 mm. 
TYPE locality: Makassar, Celebes. 
Type in the British Museum (Natural 
History). 
Known only from the type female. 
Dacus (Zeugodacus) tetrachaetus 
(Bezzi), n. comb. 
Chaetodacus tetrachaetus^Qzzi, 1919, Philippine 
Jour. Sci. 15(5): 431-432, pi. 1, fig. 10. 
This species is distinguished from other 
Dams {Zeugodacus) by having a broad yellow 
band extending between the humeri and the 
notopleural calli. In this respect it is similar 
to D. {Strumeta) continuus (Bezzi). Bezzi allies 
the species to D. mundus (Bezzi), but it lacks 
the brown infuscation over the m crossvein. 
The species was adequately described by 
Bezzi, except for the characteristics of the 
female. We have not seen this species. 
Length: Body and wings, 6. 5-7.0 mm. 
TYPE LOCALITY: Panay, Antique Prov., 
Batbatan Island, Philippines. 
Bezzi said the type was in his collection. 
This is in the Museo Civico di Storia Naturale, 
Milan, according to Horn and Kahle (1935). 
Dacus (Zeugodacus) timorensis 
(Perkins), n. comb. 
Zeugodacus timorensis Perkins, 1939, Queens- 
land Univ., Dept. Biol. 1(10): 30-31, pk 
1, fig. 2. 
This species appears to be related to D. 
scutellinus (Bezzi) but is distinguished by the 
presence of a broad black band extending 
over the basal half of the scutellum and by 
the chiefly brown to black legs. Perkins’ de- 
scription seems to be adequate. 
Length: Body, 6.0 mm.; wings, 5.5 mm. 
TYPE locality: Koepang, Timor. 
Type in the British Museum (Natural 
History). 
We have not seen this species. 
Dacus {Zeugodacus) trimaculatus n. sp. 
Fig. 29 
This species runs to Dacus {Zeugodacus) 
scutellinus (Bezzi) in Perkins’ (1938: 138) and 
Bezzi’s ( 1916 : 113 and 1919: 420) keys to the 
species of Dacinae. It apparently resembles 
this species in many details but is considerably 
larger (8. 0-9.5 mm. long as compared to 5.0- 
5.5 mm.). The front portion of the meso- 
notum, between the humeri, is reddish, not 
black. The costal band is very narrow through 
cell R 3 and ends at vein R4+5; not with a 
rather broad costal band which extends half- 
way through cell R5. Bezzi states (and figures) 
that veins R4+5 and M1+2 (third and fourth 
veins) are straight and parallel. In trimaculatus 
these veins are distinctly curved (Fig. 29c). 
The species appears much more closely re- 
lated to D. hageni de Meijere than to any other 
Zeugodacus which we have studied. The type 
series were taken in the same habitat and host 
as that species. The two resemble each other 
very closely but are distinguished by the nar- 
row costal band (not enlarged at apex) of 
trimaculatus; by the presence of three facial 
spots and a black apical spot on the scutellum, 
as well as by the more elongate and differ- 
ently developed ovipositor (cf. Figs. 25^ 
and 2^d). 
The presence of the transverse, median 
black spot on the face suggests that this 
might fit near D. maculipennis (Doleschall), 
and in Perkins’ key {loc. cit.) some specimens j 
which have three pairs of inferior fronto- ' 
orbital bristles would run here. It is disting- 
uished by having the face marked with three j 
black spots (Fig. 29b), not a transverse black 
mark (Fig. 26^^) ; by the apical black spot on ^ 
the scutellum, the reddish anterior portion of 
the mesonotum, and by the narrow (not di- j 
lated) costal band. j 
FEMALE. Head: The front is slightly less ^ 
than 1.5 times as long as wide; the median : 
portion is discolored with brown, and a slight- ! 
ly brownish spot is present at the base of each 
