ODYNEEUS. 367 



at apex and ending in two distinct teeth ; median segment more 

 sloping, less concave posteriorly, the sides rounded ; in coloiir 

 0. fratenms differs in having a large black spot on the clypeus, no 

 medial stripes on the mesonotum, and a free spot on each side 

 of the basal abdominal segment. 



Hah. Tenasserim, $. Length 10 ; e.rp. 24 mm. S unknown. 

 Type in the coll. British Museum. 



646. Odynerus confluentus, S7yiith, Cat. v, p. 60, 5 . 



5 . Head, thorax, and abdomen covered with elongate con- 

 fluent punctures running into longitudinal stride on the abdomen 

 above; clypeus pyriform, raised, flat along the middle, the apex 

 broad, transverse ; the scutellum gibbous, its sides rounded ; the 

 median segment vertical, depressed underneath the postscutel- 

 lura, concavo-triincate down the middle posteriorly, Avith a medial 

 carina, the apical lateral angles of the segment acute ; abdomen 

 with the basal segment narrower than the 2nd, the posterior 

 margins of all the segments narrowly smooth and shining. Black ; 

 the clypeus, a spot above it, the emargination of the eyes, a 

 stripe behind them, a squarish spot on each side of the pro- 

 notum nearly meeting in the middle, the tubercles, a spot on the 

 mesopleursB, two parallel abbreviated lines on the mesonotum, the 

 tegulse, a spot at the lateral angles of the scutellum, the post- 

 scutellum, the median segment except a broad medial vertical 

 black line, narrow subapical transverse bands on the margins of 

 abdominal segments 1-5 above, an oblong spot along the sides of 

 the basal and a round spot on the sides of the 2nd segment, 

 yellow ; legs yellow variegated with ferruginous ; wings hyaline, 

 fuscous along the costal margin, nervures fuscous, tegula? with a 

 fuscous spot. 



Hah. Tenasserim; Sumatra. $ . Length 12-14; g.r^. 28-30 mm. 

 S unknown. 



647. Odynerus fragilis, Synith, Cat. v, p. 61, S. 



2 • Head, thorax, and abdomen somewhat closely and coarsely 

 punctured; clypeus broadly pyriform, its apex incised; post- 

 scutellum not or barelv gibbous ; median segment posteriorly with 

 a deepish hollow traversed by a medial vertical carina ; the basal 

 abdominal segment much narrowed, very little more than half 

 the breadth of the 2nd segment. Black ; the clypeus except a 

 waved transverse band across it, a spot above it, the emargination 

 of the eyes, a line behind them, the scape of the antennae in 

 front, two large spots on the posterior margin of the pronotum 

 not meeting in the middle, the tubercles, a spot on each side of 

 the scutellum, another on each side of the postscutellum, a third 

 larger and oval on the sides of the median seerment posteriorly, 

 the apical margins of the basal two abdominal segments, and a 

 medial spot on the posterior margins of the apical two segments, 

 yellow ; the 2nd segment with a large round spot on each side at 



