Gen. Tinda, n. g.

Fœm. Corpus longiusculum, depressum. Caput oblongum, margine postico elevato. Antennæ capite transverso vix breviores; articulus 3^us fusiformis; flagellum compressum, lanceolatum. Scutellum spinosum. Abdomen ellipticum, thorace latius non longius. Pedes breves, graciles. Alæ angustæ.

Female. Body somewhat elongated and depressed. Head somewhat oblong; eyes nearly contiguous in front, diverging hindward, where there is an elevated margin. Mouth and palpi very short. Antennæ nearly as long as the breadth of the head; 3rd joint fusiform, fully half the length of the flagellum, which is compressed and lanceolate, and with indistinct joints. Thorax slightly widening hindward; scutellum with six ? very minute spines. Abdomen elliptical, broader but not longer than the thorax. Legs short, slender. Wings narrow; 1st cubital vein less than one-third the length of the 2nd; three complete externo-medial veins; subanal vein joining the anal vein at some distance from the border; discal areolet elongated, its exterior side very short.

30. Tinda modifera, n. s. Fœm. Nigra, antennis basi testaceis, pedibus testaceis, femoribus posterioribus supra obscurioribus, alis cinereis costam versus subnigricantibus.

Female. Black, hardly shining. Antennæ testaceous towards the base. Legs testaceous; posterior femora somewhat darker above, except towards the base. Wings grey, slightly blackish along most of the costa; veins black; halteres testaceous. Length of the body 3 lines; of the wings 5 lines.