PHILIPPINE DIPTERA, II 25 



is at once distinguished by the cyaneous white-pubescent abdo- 

 men. The recently described funebre Hermann from Formosa 

 is also largely black and has black pubescence on the abdomen. 



Female. Length of body, 14 millimeters ; of wing, 14. Head 

 black, gray-dusted ; ocellar tubercle shining black, with two long 

 black bristles; occiput above with some black bristles, below 

 with white hairs, which pass to the long white beard. Antennse 

 entirely black, the first two joints with long bristles, the third 

 joint oval, as long as the first two together. Face with a very 

 prominent, oval, shining black tubercle, which bears a mystax 

 formed by from ten to twelve long black bristles ; the remaining 

 hairs of the face black below the base of the antennae and white 

 on the sides beneath. Palpi black, with short black hairs; 

 proboscis black, very stout, of the characteristic shape for the 

 genus, with long white hairs at the underside of the basal bulb 

 and with short yellow pubescence at the end. 



Thorax black, rather opaque, with faint metallic reflections 

 and scanty whitish dust, without distinct stripes ; bristles black ; 

 hairs black, but white on the sides and behind; collar gray- 

 dusted, with numerous black bristles; pleurae white-haired and 

 white-dusted; a strong black bristle on the upper hind corner 

 of mesopleura ; metapleural tuft formed by white bristles. Scu- 

 tellum like the thorax, but more metallic and with black bristles 

 at hind border ; mesophragma black, gray-dusted. Halteres with 

 blackish stalk and yellowish knob. 



Abdomen entirely shining ceruleous, with short white pubes- 

 cence; the hind lateral corners of segments two to' five bear 

 short, spotlike stripes of whitish tomentum; all the segments 

 have on the sides rather long white hairs and two or three 

 strong black middle bristles. Venter wholly shining ceruleous, 

 whitish-dusted and white-haired at base, black-haired at end. 

 Ovipositor with the first segment dark ceruleous and with long 

 black bristly hairs at end, the second segment black with pale 

 yellowish hairs. Legs shining, dark ceruleous, with long white 

 hairs and with black bristles; coxae black, densely gray-dusted; 

 hind femora thickened, with a single, very strong black bristle 

 beyond middle on outer side ; middle femora with a long bristle 

 before end on inner side; claws black, pulvilli dark yellowish. 



Wings hyaline from base to middle, fuscous on the apical 

 half, the inner border of colored area running from the fore 

 margin of wing in front of the anterior cross vein to the hind 

 margin at end of fourth posterior cell; the centers of the cells 

 around the apex and the hind margin lighter. Discoidal cell 

 shorter and narrower than the second posterior cell, the anterior 



