370 
Eev. T. A. Marshall's Monograph of 
red. Mesothoracic sutures effaced ; furrow of the mesopleurae 
punctulate ; metathorax rugulose. Wings hyaline ; squamula 
ferruginous; nervures and stigma black, the latter very stout at 
the base, acuminate at the apex, emitting the radial nervure before 
the middle; 2Dd cubital areolet elongate, much narrowed towards 
the outer end ; radial areolet not reaching the tip of the wing, 
sublanceolate ; 2nd discoidal areolet very narrow. Legs red ; 
femora and tibiae sometimes dark at the apex. Abdomen narrow, 
somewhat depressed ; 1st segment rufous, 2nd rufescent at the 
base, all the following dark piceous. Length, | ; wings, If lines. 
Found by Haliday in North Ireland^ and once by- 
Walker in the London district ; very rare. 
2. Prosapha venusta, Hal. 
Alysia venusta, Hal., Ent. Mag., v., 242, ? . 
Prosapha venusta, Marsh., Species des Hym. d'Eur. at 
d'Alg., Bracon.j vol. ii., p. 427, ? . 
5 . Piceous black ; 1st abdominal segment red ; mandibles red. 
Antennae shorter than the body, 14-17-jointed, the two basal 
joints red ; apical joints oval. Thorax as in the preceding. Wings 
hyaline ; squamula brownish ; nervures and stigma pale brown ; 
2nd cubital areolet not so much narrowed towards the outer end ; 
radial areolet cultriform, reaching the tip of the wing. Legs red. 
Abdomen strongly compressed, as in the genus Aspilota; 1st seg- 
ment sublinear, rugulose, elevated ; 2nd the longest ; abdomen, 
viewed sideways, subtriangular. Terebra exserted, short. Length, 
|-1 ; wings, 1^-2 lines. 
Taken more than once in England, but very rare. 
xvi. Mesocrina, Fdrster. 
Eorst., Yerh. Pr. Kheinl., 1862, p. 266. 
Male unknown. Third joint of the antennae longer than the 
4th. Mesothoracic sutures inchoate, effaced posteriorly ; an oblong 
fovea before the scutellum. Stigma oval, lanceolate, distinct, 
emitting the radial nervure from the middle, or just beyond it ; 
1st cubital areolet separated from the 1st discoidal ; 2nd complete; 
1st intercubital nervure a little shorter than the 2nd abscissa. 
Abdomen strongly compressed. Terebra exserted, short. 
