COLLECTED AT DORES", NEW GUINEA. 251 



Iiujus apice fulvo, ventre nigro, pcdibus testaceis, alls ciuereis basi 

 costaque luridis. 

 Female. Tawny ; head whitish about the eyes aud on the disk of the 

 face; epistoma prominent^ with a black dot on each side; antennae 

 not reaching the epistoma ; third joint about thrice the length of the 

 2nd ; arista bare, very slender ; disk of the thorax, and abdomen except 

 the tip, blue ; underside of the abdomen black ; legs testaceous ; wings 

 cinereous, lurid at the base and along the costa ; veins tawny ; discal 

 transverse vein curved, parted by less than half its length from the 

 border, and from very much more than its length from the prsebrachial 

 transvei'se. Length of the body 4 lines ; of the wings 8 lines. 



69. Dacus sordidus, n. s. Fce.m. Piceo-cyaneus, capite antico fer- 

 rugineo, oculis albido cinctis, abdoraiue apicem versus attenuato, fe- 

 moribus anticis tarsisque posterioribus fulvis, alis cinereis, striga cos- 

 tali, apicibus spatioque apud venam transversam discalem fuscis. 



Female. Piceous blue ; head cinereous beneath, ferruginous in front, 

 whitish about the eyes ; pectus cinereous ; abdomen pilose, testaceous 

 beneath at the base, attenuated towards the tip ; oviduct prominent ; 

 legs piceous ; fore femora and posterior tarsi tawny ; posterior tibiae 

 tawny towards the tips ; wings cinereous ; a short costal streak, tips, 

 and space about the discal transverse vein brown ; veins black, tawny 

 at the base ; discal transverse vein slightly curved, parted by half its 

 length from the border, and by very much more than its length from 

 the praebrachial transverse ; halteres testaceous. Length of the body 

 4 lines ; of the wings 7 lines. 



70. Dacus lituratus, n. s. Fa,m. Nigricanti-cyaneus, oculis albido 

 cinctis, antennis piceis, arista plumosa, thorace vittis duabus nigris, 

 abdomine fusiformi apicem versus attenuato, femoribus albis, alis albis 

 basi et apud marginem interiorem paliide cinereis, striga basali fascia 

 obliqua plagaque subapicali nigris. 



Female. Blackish blue, rather slender, head whitish about the eyes ; 

 epistoma tawny ; antennae piceous, very much shorter than the face ; 

 3rd joint about thrice the length of the 2nd ; arista plumose ; thorax 

 with two black stripes ; abdomen fusiform, attenuated towards the tiy ; 

 legs black, rather slender ; coxae and femora white, the latter w ith 

 black tips ; wings white, pale cinereous at the base and along part of 

 the interior border ; basal streak, an oblique band which is abbreviated 

 hindward, and a very large subapical j)atch black ; veins black, hardly 

 undulating ; pnebrachial vein straight, oblique, parted by about one- 

 fourth of its length from the border, and by half its length from the 

 praebrachial transverse, which is long and oblique; halteres white. 

 Length of the body 4 lines ; of the wings 8 lines. 



71. Dacus? nigrilinea, n. s. Faim. Testaceus, gracilis, thorace 

 lineis tribus nigris, abdomine lanceolato apicem versus cuneiformi 

 apice luaculisque duabus nigris, alis subcinereis angustis costa nigra. 



17* 



