ON THE SPECIES OF PLATYGASTER. 267 



piceo-rufa : alse fuscae ; metalae sublimpidas ; squamulae nigro- 

 piceae. 



Fern. — Mart similis, breviter pubescens : antenna apice latae : abdo- 

 men fusiforme. (Corp. long. lin. §- — J. ; alar. lin. § — §.) 



Far. (3. — Fern, genua et tarsi omnia nigro-picea. 



May ; on grass beneath trees ; near London. Found in 

 Ireland, by Mr. Haliday. 



Sp. 98. Plat. Sagana. Mas et Fem. Prcecedenle minor graci- 

 lior, alee angustiores limpidiores. 



Ater, nitens, laevis, parce et brevissime pubescens : oculi ocellique 

 nigro-picei : antennas nigrae, corporis dimidio paullo longiores ; 

 articulus 2 US . apice fuscus : mesothoracis parapsidum suturae vix 

 conspicuae: metathorax abdominisque segmentum l um . obscura, 

 punctata : abdomen longi-ovatum, angustum, nitens, laeve, gla- 

 brum, thorace longius ; segmentum l um . omnino 2 um . que basi 

 scite sulcata : pedes nigri ; genua et tarsi nigro-picea ; protibiae 

 apice rufo-piceae ; spinae tibiales rufae : proalae subfuscae ; metalae 

 sublimpidae, angustae, parvae ; squamulae picea?. 



Fem. — Mari similis : abdomen acutius ; segmentum 2 um . ejus plus 

 dimidium occupans ; sequentia brevia, subaequalia ; 6 um . paullo 

 longius acuminatum. (Corp. long. lin. g ; alar. lin. §.) 



July; on grass in fields ; near London. 



Sp. 99. Plat. Ilione. Mas. Prcecedenti similis, antennce 

 multo longiores. 



Ater, fere planus, nitens, laevis, parce et breviter pubescens : oculi 

 ocellique nigro-picei : antennae nigrae, corporis dimidio multo 

 longiores; articuli l us . apice et basi 2 US . que apice fusci ; 4 US . pa- 

 rum dilatatus : mesotboracis parapsidum suturae vix conspicuae ; 

 scutellum fere planum : metathorax abdominisque segmentum 

 l um . obscura punctata : abdomen nitens, laeve, glabrum, thorace 

 paullo longius ; segmentum 2 um . basi scite sulcatum : pedes 

 nigri ; femora basi apiceque et trochanteres picea ; tibia basi 

 apiceque, spinas tibiales et tarsi rufa, hi apice picei ; protibias 

 rufae, nigro cingulatae : alas subfuscae ; squamulae rufo-picese. 

 (Corp. long. lin. \ ; alar. lin. f .) 



Found near London. 



