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PLATE CCCCLXXVIII. 



ICHNEUMON J3ILINEATOR. 



BILINEATED ICHNEUMON. 

 HYMENOPTERA. 



GENERIC CHARACTER. 



Mouth with a ftraight horny membranaceous bifid jaw, the tip 

 rounded and ciliated : mandibles curved, fharp ; lip cylindrical,, mem- 

 branaceous at the tip, and emarginate : feelers four, unequal, filiform, 

 and feated in the middle of the lip : antennae fetaceous, of more than 

 thirty articulations : fting exferted, inclofed in a cylindrical ftieath 

 Gompofed of two valves, and not pungent, 



SPECIFIC CHARACTER. 



Ichneumon bilineator : black : two incurvate yellow lines on the 



head : fcutel and antennae in the middle whitiih. 

 Ichneumon molitorius var/t 



This curious infect refembles, in a very peculiar degree, the Ichneu- 

 mon molitorius, from which it is, however, diftinguifhed by its fupe- 

 riority in fize, and the two yellowiih lines on the back part of the 

 head : thefe lines are placed between the eyes as remotely as poffible, 

 each forming a marginal fillet, which partially furrounds the contiguous 

 eye. We fcarcely feel authorized in the perfuahon of its being only a 

 variety of the above-mentioned infect, although, from its general 



alpec\ 



