Mr. F. Walker on some undesmbed Ceylon Insects. 305 



beneath Metathorax roughly punctured, witli a londtudinal 

 impressed hue Petiole long, slender. Legs yellowish; hind 

 iemora and hnid tibiae black ; anterior femora with a black band 

 Wings quite vitreous; veins and stigma black. Length of the 

 body 3|- hnes ; of the wings 4 lines. 



Fam. Larridae. 

 Larrada EXTENSA, il/^.. Nigra, argenteopubescens, capite magno 

 supra piano antice bicannato, scutello minimo nitente, metathorlice 

 maximo sulcato bituberculato, abdomine fusiformi basi apiceque 

 mtente, pedibus robustis, femoribus incrassatis, alis nigricantibus. 

 Male. Black, hardly shining, with silvery pubescence. Head 

 much broader than the thorax, flat above, vertical and with two 

 slight keels in front. Antennae filiform, piceous at the very base 

 Scutellum shining, very small. Metathorax much developed 

 nearly vertical and with a slight furrow hindward ; the rid-e with 

 two tubercles. Abdomen fusiform, shining at the base and at the 

 tip, not longer than the thorax. Legs stout ; femora incrassated. 

 Wings blackish; veins and stigma black. Length of the body 

 4 lines ; of the wings 5 lines. ^ 



Fam, Apidge. 



Andrena EXAGEXS. Fcem. Nigra, scitissime punctata, cinereo pi- 

 losa, capite rude punctato, antennis subclavatis apice rufis corpoHs 

 dimidio non longioribus, abdomine rufo elliptico segmentis t ribus 

 posticis nigris, genubus rufis, tarsis testaceis, alis subcinereis. 



fejnale^ Black shining, very finely punctured, with cinereous 

 hairs Head roughly punctured, very pubescent in front, a little 

 broader than he thorax. AntenuEe subclavate, about half the 

 ength of he body red at the tips. Abdomen red, elliptical a 

 h tie broader and longer than the thorax; last three s gments 

 black. Knees reddi.h; tarsi testaceous. AVings sh-htly cinereous 

 Tunes '''°'"' ''^''^- ^"^'^ "' '^'^ '^°^^ ' ""^^ ^ ofTe w-ngs 



NoMiA vixcTA. Fcem, Nigra, opaca, lata, crassa, punctata, cinereo 

 pubescens, ore testaceo basi nigro, antennis subcllivatis capite non 

 ongioribus, abdomine elliptico nitente scitissime punctato fasciis 

 tribus cinereo tomentosis, tarsis subtus pallidis, alis cinereis 



Female Black, dull, broad, thick, very closely and minutely 

 punctured, with cinereous pubescence. Mouth testaceous, black 

 at the base Antennae subclavate, as long as the head. Abdomen 

 elliptical, shining, very huely punctured, a little longer and broader 

 than the thorax with three bands of cinereous tomentum. Tarsi 

 pale beneath. W mgs cinereous; veins and stigma black; third 

 submarginal areolet much less than twice the length of the seco d 

 Length of the body 3} lines ; of the wings 6 lines. 



Trigona pr.eterita Fmn. Nigra, brcvis, lata, glabra, niten. 

 capite opaco subscabro sulcato, antennis testaceis filiformibus 



