— 46 



57. 92 Xanthopimpla (54. 1) 



Descriptions of Two New Species of Xant- 

 liopiinpla (Iclmeiimoîiiflae (from Bengal. 



By P. Gaiv-eron. 



Mr John Watson, of AYithington, Manchester, has 

 sent me two species of a Xanthopimpla ■which he has 

 reared from the Tussor Silk Moth, Antherea mylitta, 

 from Bengal. As both appear to be undescribed I give 

 descriptions of them here. Both belong to the group 

 E of Krieger's Monograph (Berichten der Naturfor. 

 Gesell, zu Leipzig, 1898, p. 81), having the occiput 

 black, the areola hexagonal and the notauh short. 

 The sjjecies I have referred to P. punctator, F. (Manch. 

 Memoirs, 1891, 5) is very similar as regards coloura- 

 tion, but is much smaller, (12 mm ?), has the areola 

 4-angled, the lateral keels received in its middle, not 

 beyond it, and there is onlyo, black spot (the inner) 

 on the hind femora. It belongs to Krieger's group P 

 (1. c. 90). — My punctator, 1. c. is not ajiparently the 

 punctata, Brullé, for that has the occiput yellow, but 

 it is no doubt (J pedator, Brullé. The following table 

 gives the saUent features of these species, wliich, it 

 may be noted, have all the middle black spot of the me- 

 sonotum excised at the base. 



1. (4) Length 18 mm; the lateral keels received by 



the areola beyond the middle, the areola 

 di.stinctly longer than wide, hexagonal, clearly 

 narrowed, beyond the keels ; the hind femora 

 with 2 black spots. 



2. (3) Bright orange yellow, no black at the meta- 



thoracic spiracles, abdominal segments with 

 2 spots, watsoni. 



3 (2) Pale canary yellow, a spot on metapleurae, 



4 sjjots on abdominal segments anthereae. 



4 (1) Length 12 mm, the lateral keels received by 



the areola at the middle, the areola not much 

 longer than wide, 4-angled, not narrowed 

 at the apex, the hind femora with 2 black 

 spots, pedator. 

 Xanthopimpla anthereae, sp. n. 

 Palhd „canary" yellow, the head, sides of mesono- 

 tum, pro- und mesoplem-ae, sternum, coxae, tro- 

 chanters and femora bright lemon-yellow, the anten- 

 nae black, the underside of the scape and the basal 

 2 or 3 joints of the flagellum yellow; the mandibular 

 teeth black, the part behind them brown; the occiput, 

 except round the edges, - the upper yellow margin 

 joined to the vertex by 2 black Unes; there is a mode- 

 rately wide black line down the middle of the front and 

 vertex, covering the ocelli ; it is rounded behind, nar- 

 rowed at the lower ocellus, then becomes gradually 

 widened to the antennae, then roundly triangularly 

 narrowed to a sharp point between them; there are 

 4 marks on the mesonotum, the middle one placed 

 more in advance of the lateral; it is about one fourth 

 longer than wide, of equal width but with the apex 

 rounded, the base roundly incised, the lateral projec- 

 tions rounded at the ends; the lateral marks are lon- 

 ger and wider, straight on the innerside, the base with 

 a short triangular incision, the outer prong wider and 

 slightly longer than the inner; the outer side becomes 



gradually, but not very much, widened to the end of the 

 basal t^vo-thieds, then roundly gradually narrowed to 

 the apex, which is rounded, on the apex close to the scu- 

 tellum, is a large semicircular mark, laterally reaching 

 close to the scutellar keels, more than the apical two- 

 thirds of the tegulae, the inner two-thirds of the basal 

 lateral metanotal areae, an oblique oval spot at the 

 spiracles and 2 large transverse marks on the basal 

 7 abdominal segments a small one outside these and a 

 ; line on the sides of the apical, black ; the 1st pair of marks 

 are longer than wide, the basal half narrowed toasharp 

 point, the outerside at the end of the narrowed part 

 slightly projecting, the 2nd twice longer than wide, the 

 sides irregular, the base obUque, the apex rounded, 

 the 3rd sUghtly longer than wicle, the apical half shght- 

 ly longer than wide, the aijical half shghtly narro\ved, 

 the base and apex bluntly rounded, the 4th shghtly 

 wider than long, the 5th still wider, the 6th of about 

 the same width, but smaller, narrower transversely, 

 the 7th larger, wider, the basal inner ha'f with a large 

 rounded incision. Areola twice longer than wide, 

 receiving the lateral keels shortly beyond the middle, 

 from where it becomes slightly narrowed; the basal 

 lateral area is slightly longer on the inner side than 

 the 2nd and, on the outerside, is much wider than it, 

 the 2nd being only slightly widened outwardly; the 

 apical area has the basal central keel straight, the ba- 

 sal lateral keel obliquely rounded, the shorter apical 

 shorter, straight, oblique; on the base are 5 or 6 

 rounded striae; the spiracular area is clearly defined, 

 large, on its apical, inner part is a triangular area, the 

 outer keel of which is rounded. Basal abdominal seg- 

 ment twice wider than long, smooth ; a not very distinct 

 crenulateddel, furrow, interruped in the middle, on 

 either side, near the middle; there is a curved, crenu- 

 alted furrow near the apex of the 2nd to 6th segments ; 

 the raised central part of the 3rd to 5th is strongly, of 

 the 6th more finely and closely punctured; the apical 

 4 segments are densely covered with short white pu- 

 bescence. Wings hyaline, the apex with a narrow 

 smoky border; the areolet triangular, oblique, shortly 

 appendiculated, the recurrent nervure received shortly 

 beyonddel, the middle, the transverse median nervure 

 interstitial. S. 

 Length 18 mm. 



Face closely, strongly punctm'ed, about as long as 

 wide, the sides obhquely sloped. Clypeus more finely 

 and closely j)unctured, the apex with a rounded furrow, 

 bordered below by the raised margin. The parapsidal 

 furrows are on the basal sloj^eonly; they are narrow ; 

 the part bounded by them is raised and is broadly 

 rounded at the base. Mesosternum and lower part 

 of pleurae closely punctured, the latter more sparsely 

 above. There is a conical black spot on the innerside of 

 the hind femora at the apex and a smaller oval one 

 opposite it on the outer; the knees black. 

 Xanthopimpla watsoni, sp. n. 

 Bright lemon-yellow, the antennae, except the un- 

 derside of the scape, the occiput to the orbits, a mark 

 covering the ocelli and extending to the base of the 

 antennae, bluntly rounded behind, the sides with a 

 broad rounded incision, the apex narrowed to a fine 

 point between the antennae; 4 marks on the mesono- 



i*-Tmataigeaia»M 



