270 ON THE SPECIES OF PLATYGASTER. 



thorax utrinque et subtus laevis, nitens : abdominis segmentum 

 1"™. scabrum, sulcatum ; 2"™. 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 nigroe ; tibiae basi et tarsi piceo-rufa : pro- 

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

 squamulse et nervi picea. (Corp. long. lin. | ; alar. lin. 1.) 



Found near London. 



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

 alcefuscts. 



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

 ocelli pallide rufi : antennae nigrse, mari capite thoraceque lon- 

 giores, articuli 2"^. et 3**^ mediocres subaequales, 4"^. dilatalus, 

 5"^. et sequentes subaequales : thorax utrinque et subtus laevis, 

 nitens: abdominis segmentum 1"™. scabrum, sulcatum; 2"™. 

 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. g — | ; alar. lin. | — 1.) 



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



Var. y. — Fem. genua et tarsi rufo-picea. 



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



infested by a small red parasite. 



Div°. 2^ 



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

 cyathiformis, mediocris ; 3^^. et sequentes ad 6"'". minimi ; 7"^^. 

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

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

 brevi-ovatus, convexus ; mesothoracis parapsidum suturos con- 

 spicuae ; scutellum semicirculum fingens, non prominens : me- 

 tathorax brevis : abdomen oviforme, inerme, supra subtusque 

 valde convexum, apice acuminatum ; segmentum 1"™. breve, 

 sublineare ; 2™\ maximum ; sequentia brevia : alae 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. 



