102 MB. WALKEE ON DIPTERA COLLECTED AT MAKESSAR. 



Male. Body contracted, short, broad, thick. Head almost as broad 

 as the thorax ; vertex gibbous ; eyes large, bare ; mouth extremely 

 short and small ; antennae very short, 3rd joint round ; arista apical, 

 very slender, a little longer than the antennae ; thorax gibbous ; scu- 

 tellum very gibbous, forming an upright cone, somewhat gibbous and 

 conical hindvvard, where it is horizontal ; abdomen a httle broader than 

 long, much shorter than the thorax ; legs short, slender, simple ; wings 

 rather short ; veins in structure Uke those of Oxycera. 



31. Saruga conifera, n. s. Mas. Anthracina, antennis pedibus- 

 que albido-testaceis, thorace maculis duabus magnis flavo-tomentosis, 

 femoribus nigris, genibus fulvis, alis albidis. 



Male. Coal-black ; antennae and legs whitish testaceous ; thorax with 

 a large yellow tomentose spot on each side in front of the scutellum ; 

 femora black ; knees tawny ; wings whitish vitreous; veins and stigma 

 whitish testaceous, the former black towards the base. Length of the 

 body 24 lines ; of the wings 5 lines. 



Fam. TABANIDJ^, Leach. 

 Gren. Tabanus, Linn. 



32. Tabanus succurvus, n. s. Fcem. Nigricanti-fuscus, capite ferru- 

 gineo, callo longo lanceolato gracillimo, palpis piceis, antennis nigris, 

 segmentorum abdominalium marginibusposticis subpallidioribus, tibiis 

 subtus rufescenti-piceis, alis obscure cinereis apud venas fusces- 

 centibus. 



Female. Blackish brown. Head ferruginous, with a long lanceolate 

 and very slender callus between the nearly contiguous eyes ; under 

 side clothed with black hairs. Proboscis black. Palpi piceous. An- 

 tennae black ; 3rd joint with a small horn. Hind borders of the ab- 

 dominal segments slightly paler in the middle. Tibiae reddish piceous 

 beneath. Wings dark grey, brownish about the veins towards the 

 base ; veins black, piceous towards the base ; fore branch of the cubital 

 vein simple, nearly straight ; halteres ferruginous, with luteous knobs. 

 Length of the body 11 lines; of the wings 22 lines. 



33. Tabanus factiosus, n. s. Fcem. Nigricanti-fuscus, capite tes- 

 taceo, callo nigro gracili lanceolato, palpis piceis, thorace cinereo, ab- 

 domine rufescenti-piceo, macuhs dorsalibus trigonis albidis, segmen- 

 torum ventralium marginibus posticis testaceis. 



Female. Blackish brown. Head with testaceous tomentum and with a 

 slender lanceolate black callus between the eyes. Proboscis black ; 

 palpi piceous. Antennae with a very small horn. Thorax with cine- 

 reous down ; pectus paler and more thickly clothed with paler down. 

 Abdomen reddish piceous, with a whitish triangular spot on the hind 

 border of each segment ; hind borders of the ventral segments testa- 

 ceous. Legs piceous; femora black ; tibiae tawny beneath. Wings 

 grey, with a brownish tint in front ; veins black, ferruginous towards 



