COLLECTED AT MANADO AND TOND. 267 



fasciis tribus fulvescentibus, pedibus lougis, alls cinereis nigricante 

 strigatis, halteribus pallide flavesceiitibus. 

 Female. Black, bristly, fusiform. Head silvery white, much narrower 

 thau the thorax ; frontalia deep black, widening in front ; epistoma 

 prominent. Eyes bare. Proboscis slender, jointed. Autennaj not 

 reaching the epistoma ; .':ird joint slender, linear, full six times the 

 length of the 2nd; arista plumose. Thorax with three cinereous 

 stripes ; scutellum tawny hiudward. Abdomen semipellucid, much 

 broader than the thorax, with three dull tawny bands; 1st and 

 2nd bands broad, interrupted; 3rd narrower, entii'e. Legs long. 

 Wings cinereous, blackish along the costa and along the black veins ; 

 prsebrachial vein slightly curved inward towards its tip, forming a 

 well-defined right angle at its flexure; discal transverse vein undu- 

 lating, parted by a little less than half its length from the border, and 

 by a little less than its length from the flexure of the prsebrachial 

 veiu ; halteres pale yellowish. Length of the body 6 lines ; of the 

 wings 14 lines. 



Subfam. Muscides, Walk. 



Gren. Idia, Meigen. 



16. Idia divisa, n. s. Mas et Fcem. Obscure viridis, subtus testaceo- 

 alba, capite atro, antennis nigris, thorace vittis quatuor cinereis, ab- 

 dominis disco lurido-fusco, tarsis albidis apico nigris, alls obscure 

 cinereis, costa nigra. 



Male and Female. Dark green ; testaceous white beneath, except towards 

 the tip of the abdomen. Head deep black and shining in front. An- 

 tennae, proboscis, and palpi black. Thorax with four cinereous stripes. 

 Abdomen lurid-brown, except towards the tip. Tarsi whitish, with 

 black tips. Wings dark cinereous ; costa and veins black ; praebra- 

 chial vein much rounded at its flexure ; discal transverse vein hardly 

 undulating, parted by much less than its length from the border, and 

 by more than its length from the flexure of the pra;brachial vein. 

 Length of the body 35-4 lines ; of the wings 6-7 lines. 



Gen. MuscA, Linn. 



17. Musca (Gen. Silbomyia, Mactj'.) prospera,fFaZA:. See Vol. IV. p. 133. 



18. MuscA (Gen. Musca, Linn.) umbrifera, n. s. Fcem.. Nigra, ca- 

 pite pectore abdomineque cinereis, peristomatis lateribus antennisque 

 rufis, thoracis lateribus fulvo pilosis, segmentorura abdominalium mar- 

 ginibus posticis nigris, alls obscure cinereis antice nigricantibus, hal- 

 teribus fulvis. 



Female. Black, dull. Head cinereous ; frontalia black, widening in 

 front ; sides of the peristoma dark red. Antenna; dark red, much 

 shorter than the face. Pectus and si<les of the thorax cinereous, 



IS* 



