CHLOBOPIDÆ. 
157 
borsteten Hypopygium. Beine ziemlich lang und ganz gelb. Flügel 
blassbräunlich, lang und schmal; die zweite, dritte und vierte Längs¬ 
adern sind lang und alle ein wenig nach vorne gebogen ; dritte und 
vierte parallel. Entfernung der Queradern von einander gleich der 
Länge des letzten Abschnittes der fünften Längsader. Fast 3 mm. lang. 
1 Exemplar aus Sidney. Type im Beichsmuseum von Stockholm. 
176. 0 sein ella dimorpha Ost.-Sack. [Oscinis.] 
Da ich die Type nicht gesehen habe, gebe ich nachstehend Osten- 
Sa cken’s Beschreibung: 
cf. Antennæ red ; legs reddish-yellow, except the hind femora and 
tibiae, which are brown. 
J . Antennæ dark brown ; legs brown, except the fore coxae, the 
base of the tibiae and of the tarsi, which are pale yellow. 
Male. Head black, vertex and posterior part of the front shining 
black, encroaching in the shape of an angle on the anterior half 
of the front, which is ferruginous-red. Face and palpi reddish-yellow. 
Antennæ ferruginous-yellow; third joint rounded-oblong, arista micro- 
scopically pubescent, yellowish at the base. Thorax black, slightly 
grayish-pollinose ; scutellum with two pairs of bristles ; the intermediate 
very long. Abdomen black. Halteres reddish-yellow. Wings hyaline, 
veins yellowish-brown ; apex of the wing infuscated beyond the tip of 
the second vein ; venation like Walker, Ins. Brit. Dipt. II Tab. XYII 
f. 4b ; but the small crossvein nearer to the origin of the third vein ; 
the tip of the fifth vein nearly touches the margin; the posterior 
crossvein is much less oblique ; a distinct fold replaces the absent basal 
crossvein and the fifth vein shows a distinct break at the intersection 
of this fold. Legs reddish yellow ; hind femora and tibiae brown, the 
latter yellow at base and at the tip ; the anterior femora are slightly 
infuscated on the upper side ; fore coxae yellow ; the other coxae black, 
but the trochanters yellowish. Length 27a— 3 mm. 
Female. Like the male, but the antennæ and the palpi are brown ; 
legs brown, except the fore coxae, the trochanters, the base of the 
tibiae and the tarsi, which are reddish-yellow ; tip of the tarsi infus¬ 
cated. The infuscation of the tip of the wing is a little less intense ; 
the marginal cell is often slightly tinged with brownish. Length 3— 
37^ mm. 
Von den Philippinen. 
177. Oscinella ornatifrons Meijere. 
Ich habe die Type gesehen und gebe die Beschreibung nach de 
Meijere : 
Von schmaler Gestalt. Stirn in der vorderen Hälfte rothgelb, in 
