1904.] 37 



ON BARICRNEUMON HERACLEAN.E, Bridg., WITH A DESCRIPTION 



OF THE MALE. 



BY CLAUDE MORLEY, F.E.S., &c. 



In a box of Ichneiimonmce recently sent to me for determination 

 by Mr. W. IT. ITnrwood, were both sexes of the above insect, of which 

 the (^ is hitherto un described : — 



Head black ; occiput obsolotely and confluently punctate; frons distinctly and 

 conflucntly punctate, laterally narrowly flavous ; face with sJiort, griseous pilosity, 

 somewliat shining and centrally prominent, epistonm quadrately and the fascial 

 orbits broadly flavous ; clypcus entirely flavous, discrctcd, shining, distinctly and 

 somewhat sparsely punctate; its apical margin rotund with a siibimpressed central 

 fovea; mandibles bidentate, not very stout, basally flavous ; palpi elongate, pilose, 

 testaceous; external and vertical orbits immaculate. Antennre shorter than body, 

 somewhat slender, filiform and apically attenuate ; piceous, with scape and flagellum 

 entirely flavous beneath ; seventh flagellar joint quadrate. Thorax black, with 

 margin of pronotum and elongate callosities before and beneath the radix white ; 

 mesonotum shining, not very finely punctate, notauli distinct ; mesosternum finely 

 punctate, with deeply impressed sternauli ; metathorax pilose with complete arese, 

 ai'eola semilunar, only slightly transverse, emitting costulae from its centre, petiolar 

 area discreted and trans-strigose ; apophyses obsolete, spiracles oblong. Scutellum 

 black, with two white dots on either side of its centre ; sparsely punctate with erect 

 pilosity. Abdomen subcylindrical, finely and closely punctate with pale pubescence ; 

 red, with the basal, except its extreme apex, and the two subapical segments, black ; 

 postpetiole somewhat short and explanate,bicarinate and centrally punctate-strigose ; 

 gastrocseli and thyridii obsolete, punctiform, the intervening space evenly punctate ; 

 ventral valvulae pilose and exserted. Legs black ; front trochanters and apices of 

 their femora flavous; anterior tibiae and tarsi ochraceous ; posterior femora piceous, 

 the hind ones broadly red basally ; hind coxae finely and closely punctate, front tibi89 

 not spinulose ; posterior calcaria with their apices infuscate. Wings normal, hyaline ; 

 tegulse and stigma piceous, radix whitish ; areolet narrowed above, externally sub- 

 pellucid ; radius apically reflexed ; first recurrent nervure of lower wing postfurcal, 

 emitting nervellus below its centre. <? . Length, 9 mm. 



Than the ? (c/". my " Ichn. Brit.," 93), the abdomen of the c? , and especially 

 its basal segment, is narrower, with its central area hardly broader than its lateral 

 area, the metathoracic sculpture is identical excepting the shorter and basally broader 

 areola, which is subtruncate apically. 



The $ sometimes has all the femora and the anterior tibias mainly red, the base 

 of the petiola above black, and the length, though not the shape, of the areola is 

 variable ; the $ length varies from Vj-Si mm. 



The (? difPers from that of B.vacillatorius in its larger size, much longer areola, 

 bimaculate scutellum, irregularly punctate postpetiole, the apex of which is not 

 glabrous, and in the hind tibiso not being internally canaliculate. Both sexes have 

 the metapleurae evenly punctate, at least basally, and not transversely costulate as in 

 B. vacillatorius, to which it is so closely allied that much care is necessary to dis- 

 tinguish it therefrom. 



