270 ON THE SPECIES OF PLATYGASTER. 



thorax utrinque et subtus laevis, nitens : abdominis segmentum 

 l um . scabrum, sulcatum ; 2 um . nitens, laeve, glabrum, basi scite 

 sulcatum ; sequentia subtilissime punctata, apice laevia nitentia, 

 pilis albis parce et breviter hirta : cornu caput fere superans : 

 pedes picei ; coxae nigrae ; tibiae basi et tarsi piceo-rufa : pro- 

 tibiae apice et protarsi rufa, hi apice picei : alas albo-limpidae ; 

 squamulae et nervi picea. (Corp. long. lin. § ; alar. lin. 1.) 



Found near London. 



Sp. 4. Ino. Menippus. Mas et Fem. Prcecedenti simillima, 

 alafusca. 



Atra, obscura, subtilissime squamea, fere glabra : oculi nigro-picei : 

 ocelli pallide rufi : antennae nigrae, mart capite thoraceque lon- 

 giores, articuli 2 US . et 3 US . mediocres subaequales, 4 US . dilatatus, 

 5 US . et sequentes subaequales : thorax utrinque et subtus laevis, 

 nitens : abdominis segmentum l um . scabrum, sulcatum ; 2 um . 

 nitens, laeve, glabrum, basi scite sulcatum ; sequentia subtilissime 

 punctata, apice laevia nitentia, pilis albis parce et breviter hirta : 

 cornu caput fere superans : pedes nigro-picei ; coxae nigrae : alae 

 fuscae, quam /. Boscii angustiores ; squamulae et nervi nigro-picea. 

 (Corp. long. lin. \ — % ; alar. lin. f — 1.) 



Far. /3. — Fem. trochanteres, genua et tarsi picea. 



Far. y. — Fern, genua et tarsi rufo-picea. 



July ; on grass in woods ; near London. It is sometimes 



infested by a small red parasite. 



Div°. 2 a . 



Fem. — Antennae capitatae, capite thoraceque breviores ; articulus 2 US . 

 eyathiformis, mediocris ; 3 US . et sequentes ad 6 um . minimi ; 7 US . 

 et sequentes magni, lati, approximati, clavam fingentes longi- 

 ovatum ; 10 us . subtrigonus, 9°. longior, vix acuminatus : thorax 

 brevi-ovatus, convexus ; mesothoracis parapsidum suturae con- 

 spicuae ; scutellum semicirculum fingens, non prominens : me- 

 tathorax brevis : abdomen oviforme, inerme, supra subtusque 

 valde convexum, apice acuminatum ; segmentum l um . breve, 

 sublineare ; 2 um . maximum ; sequentia brevia : alas mediocres ; 

 humerus simplex. 

 Ichneumon inserens, Kirby, (Linn. Trans. V. 107,) is allied 



to the following species ; but according to the description and 



figure, it has the tip of the first joint of the antennae dilated 



and divided. 



