ALLODAPE. HEEIADES. 507 



896. Allodape marginata, Smith, Cat. ii, p. 230,$. 



2 . Head with a few scattered punctures, mesonotum smooth, 

 shiuing, scutelluta and meditm segment dehcately punctured ; the 

 basal three segmeuts of the abdomen smooth, apical thi'ee punc- 

 tured, the punctures getting more dense towards the apex ; clypeus 

 flat, transverse anteriorl_y. Black ; a broad nail-shaped spot on the 

 front and clypeus, a line on the pronotum, the tubercles, and the 

 tegidje of the wings pale cream-colour ; the labrum, base of the 

 mandibles, and the apical joints of the tarsi testaceous ; the 

 posterior legs covered with a pale glittering pubescence ; the apical 

 margins narrowly of segments 1-5 of the abdomen very pale 

 testaceous ; wings hyaline and iridescent, nervures pale testaceous. 

 Hah. India? (Smith). The type in the British Museum col- 

 lection is the only specimen I have seen. $ . Length 6 ; e^vj). 

 11 mm. 



897. Allodape parvula, Smith, Neiv Sp. Hym. B. M. p. 98, $ . 



$ . Head, thorax, and abdomen smooth, shining and impunctate; 

 face slightly produced below ; clypeus flat, transverse anteriorly ; 

 median seguieut somewhat narrowed and rounded posteriorly, the 

 space at base slightly concave and smooth but opaque, not shining. 

 Black ; the face below the base of the antennte and the clypeus in 

 the middle pale j^ellow ; the labrum, the mandibles, tubercles, apical 

 joints of the tarsi, and the apical margins rather broadly of seg- 

 ments 1-5 rufo-testaceous ; the posterior tibiae and tarsi with pale 

 glittering pubescence ; wings hyaline and iridescent. 



Hah. Bombay district ; probably through a great part of India ; 

 Burma ; Tenasserim. § . Length b-Q ; exp. 8-11 mm. 



Genus HEEIADES. 



Heriades, Sj^inola, his. Lig. ii, p. 7 (1808). 



Chelostoma, Latr. Gen. Crust, et Ins. iv, p. 161 (1809). 



Trypetes, Schenck, Nassau. Verein.^f. Naturh., J?//;/-, xiv, p. 32 (1859). 



Eriades, Dall. Torr. S) Friese, Entom. Nachr. xxi, p. 69 (1895). 



Type, H. truncorum, Linn. 



Range. Both hemispheres. 



Head orbicular, about as wide as the thorax ; ocelli in a triangle 

 placed well forward on the vertex ; antennae subclavate ; labial 

 palpi 4-joiuted, the 1st joint about half the length of the 2nd, the 

 latter acute at apex, the apical two joints minute, at right angles to 

 the 2nd joint ; the maxillary palpi 3-joiuted, the basal joint short, 

 stout, the 2nd twice as long as the ist, the 3rd slendc;r, with two 

 setae at apex ; clypeus with the anterior margin generally trans- 

 verse and bidentate, the labrum beneatli anteriorly rounded. Thorax 

 short, broadly oval ; fore wing with the radial cell long, subacute 

 at apex ; two cubital cells, the 2nd receiving both recurrent ner- 

 vures, the 1st near its base, the 2nd near its apex. Abdomen 

 elongate, cylindrical, furnished with a dense pollen-brush beneath. 



