COLLECTED IN BATCUIAK, KAISAA, ETC. 289 



Female. Deep blue. Head silvery-uliitc ; froutalia deep black, widen- 

 ing in front. Paljii black, tawnj- townrds the tips. Antennre, pectus, 

 legs, and abdomen black. Thorax with four black strii)cs, tinged with 

 purple on each side ; seutelhun dark pin-j)le ; pectus with a blue band 

 on each side. Abdomen with three golden-green bauds; 1st band 

 slightly interrupted, notched on the hind border, much broader than 

 the 2nd ; 2nd interrupted, excavated on each side behind ; 3rd much 

 abbreviated on each side, deeply indented in front ; ventral bands 

 more regular. "Wings as in the preceding species. Length of the 

 body 8 lines ; of the wings 16 lines. 



72. RuTiLiA VOLUCELLOIDES, n.s. Mos et Fcem. Nigra, capite albido- 

 cinereo, frontalibus atris, antennis pieeis arista nuda, thoracis lateribus 

 pectoreque cinereis, scutello ferrugineo, abdomine fasciis tribus latis 

 interruptis chalybeo-ferrugincis, alls cinereis basi costa;que dimidio 

 basali nigricantibus, alulis albidis. 



Male. Black, rather dull, hardly tomentosc. Head whitish cinereous ; 

 frontalia deep black, widening much in front; epistoma prominent. 

 Eyes almost connected. Antennre piceous, about half the length of 

 the face; 3rd joint about twice the length of the 2nd; arista simple, 

 stout at the base, about twice the length of the 3rd joint. Sides of 

 the thorax in front and pectus cinereous. Scutellum ferruginous. 

 Abdomen with thi-ee broad interrupted ferruginous chalybeous-tinged 

 bands. Wings cinereous, blackish at the base and along more than 

 half the length of the costa ; prsebrachial vein forming a rounded 

 hardly obtuse angle at its flexure, beyond which it is slightly curved 

 inward ; discal transverse vein hardly undulating, parted by hardly 

 one-third of its length from the border, and by much more than half 

 its length from the flexure of the prsebrachial ; alulae whitish. Length 

 of the body 5 lines; of the wings 10 lines. 



Female. Larger. Eyes slightly parted above. Wings with the discal 

 transverse vein parted by one-fourth of its length from the border, 

 and by rather more than half its length from the flexure of the prse- 

 brachial. Length of the body 7 lines ; of the wings 14 lines. 



73. RuTiLiA TRixoiDES, n. s. Fcem. Nigra, capite parvo subaurato, 

 frontalibus atris, antennarum arista nuda, thoraee vittis tribus cinereis, 

 scutello ferrugineo, alis cinereis basi nigricantibus costa fusca, alulis 

 obscure cinereis. 



Female. Black, with black hairs and bristles. Head narrower than the 

 thorax, with cinereous slightly gilded toraentum; frontalia deep black, 

 hardly widening in front. Eyes bare. Antenna; not near reaching 

 the epistoma ; arista simple, stout at the base, more than twice the 

 length of the 3rd joint. Thorax with three cinereous stripes ; sides 

 and ])ectus mostly cinereous ; scutellum ferruginous. Abdomen 

 broader, but not longer than the thorax. Wings cinereous, blackish 

 near the ba«e, brown along the costa j veins black ; prsebrachial vein 



