4. 

 PELTASTES PINl. 



Order Hymenoptera. Fam. Ichneumonidse Lat. 

 Type of the Genus Ichneumon nccatorius Fab. 



PEi/rASTES ///. Ichneumon Fab., Lnt. Mctopius Pz. 



Aufen/Ke filiform, composed of (JO joints and upwards, inserted 

 near the crown of the head, and equidistant from the eyes and 

 each other. ( 1 .) * 



Clijpens formed like an escutcheon, i)ointed in the centre. (1.) 

 Labriun triangular, rounded in front. (2.) 

 Mandibles slightly arcuated, strong, acute, bifid near tlieir ex- 

 tremities. (3. 3.) 



Maxillce short, corneous, rounded, ciliated, irregular at their 

 outer edge. {A. a.) : MaxiUani palpi very long, hair\', j-jointed, 

 first joint straight cylindric J second very large, thick, clavatc ; 

 third thicker than the first and nearly as long, fourth very small, 

 fifth length of the fir,-,t, cylindric. (-4. b.) 



Menluni oblong (."j.a ) : /w//)i short, hairy, 4-jointed, nearly equal, 

 inserted near the apex of the mentum (5.b.) Lip membrana- 

 ceous, striated, sides conniving externally. (5. c.) 



Superior wings with thejirst submarginal cell ver?/ large, the2discoidal 



cells situated longitudi)ially one above the other. 

 Abdomen cylindric, almost sessile, composed of 7 joints in the male and 



(i joints in the female : (7) Under side (f abdomen of male. 

 Ow'iduct coticea led : (G) Underside of abdomen of female. 

 Tarsi with 5 joints : (8) Part of hinder leg. 



PiNi nob. 

 Black, dee|)ly and closely punctured • clypeus yellow j thora\ 

 with 8 yellow spots before the insertion of the wings : 2 at the 

 base of the scutelhim, which is square, bidentate, and margined 

 with yellow behind ; first and second segments of abdomen with 

 two yellow spots, the remainder margined with yellowj wings ol)- 

 scare with ferruginous nervures. Antennte black above, ferrugi- 

 nous beneath ; legs yellow J first pair palest : hinder thighs striped 

 black inside. 



hi the Cabinet of Mr. Beniley. 



The insects of this oenus, like those of llie whole family, are 

 parasitic, depositing their eggs in the larvaj of Lepidoptera, 

 which as soon as they hatch begin to feet! upon the niuscle.s 



* The dissections of the mouth are taken from the type of the genus, but the 

 other figures arc drawn from (lie spi.-cies figured in the plate. 



