Gen. TRACANA, n. g. _Mas et Foem. Corpus_ elongatum. Proboscis lanceolata. _Antennæ_ graciles, filiformes, capite transverso vix breviores. _Thorax_ longi-ellipticus; scutellum bispinosum. _Abdomen_ thorace paullo longius et latius. _Pedes_ longiusculi. _Alæ_ non latæ. _Male and Female._ Body elongate. Head rather broader than the fore part of the thorax. Mouth lanceolate; palpi very short. Antennæ slender, filiform, about as long as the breadth of the head; 3rd joint long; 4th and following joints shorter. Thorax elongate-elliptical, with a distinct linear callus along each side; scutellum armed with two obliquely ascending spines. Abdomen elongate-elliptical, most attenuated towards the base, a little broader and longer than the thorax. Legs rather long. Wings long, not broad; 1st subcubital vein hardly one-third the length of the 2nd; four externo-medial veins complete; subanal vein curved, joining the anal vein near the border; discal areolet oblong, narrower exteriorly; exterior side very short. 27. TRACANA ITERABILIS, n. s. _Mas et Foem._ Cinereo-nigra, capite antico fulvo, antennis albido-flavis basi nigricantibus, pedibus fulvis, tibiis posticis femoribusque nigro-fuscatis, alis cinereis apices versus nigricantibus. _Mas._ Abdomine fulvo maculis lateralibus nigris. Foem. Abdominis basi lateribusque fulvis. _Male and Female._ Cinereous black. Head in front and calli of the thorax tawny. Antennæ whitish yellow, blackish at the base. Legs tawny; femora and hind tibiæ banded with black. Wings grey, blackish towards the tips; vein black; halteres tawny. _Male._ Abdomen tawny, with some black spots on each side. _Female._ Abdomen tawny at the base and along each side. Length of the body 5 lines; of the wings 10 lines. Gen. ROSAPHA, n. g. _Mas et Foem. Corpus_ angustum, elongatum, lineare. _Antennæ_ graciles, filiformes, capite transverso longiores; articulus 3^{us} fusiformis. _Scutellum_ spinis duabus longis acutis armatum. _Abdomen_ thorace vix longius aut latius. _Pedes_ breves. _Alæ_ angustæ. _Male and Female._ Body narrow, elongated, linear. Mouth and palpi extremely short. Antennæ slender, filiform, longer than the breadth of the head; 3rd joint long, fusiform; joints of the flagellum indistinct. Thorax nearly linear, a little narrower in front; scutellum armed with two long, acute, hardly ascending spines. Abdomen subfusiform, narrowest towards the base, very little broader and longer than the thorax. Legs short. Wings narrow; 1st cubital vein nearly half the length of the 2nd; three complete externo-medial veins; subanal vein curved, joining the anal vein at some little distance from the border; discal areolet oblong; exterior side short.