ON THE SPECIES OF PLATYGASTER. 271 



Sp. 5. Ino. scrutator. Fern. Atra, tarsi rufi, alcBfusca. 



Atra, subtilissime squamea, parum nitens, breviter pubescens : oculi 

 ocellique nigro-picei : antennas nigra? ; articulus 2 US . apice fuscus : 

 metathorax longius pilosus : abdomen nitens, laeve, glabrum, 

 thorace longius et angustius, apice fuscum ; segmentura l um . 

 obscurum, sulcatum, pubescens ; 2 um . basi scite sulcatum : pedes 

 picei ; coxae nigra? ; tibiae basi tarsique rufa, hi apice picei ; pro- 

 tibiae apice subtus rufae ; metatarsi supra rufo-picei : alae fuscae ; 

 squamulae et nervi nigro-picea. (Corp. long. lin. \ — § ; alar, 

 lin. I— I.) 



Far. /3. — Tarsi omnes supra rufo-picei. 



Far. y. — Metatarsi supra rufo-picei. 



Far. (J. — Pedes nigro-picei ; coxae nigrae ; tarsi picei ; protarsi 

 pallidiores. 



June; on grass in woods; near London. Found rarely by 

 Mr. Haliday, on Cerealia, at Holywood, in Ireland. 



Di 



Mas. — Corpus mediocre, parce et breviter pubescens : caput fere 

 laeve thoracis latitudine : antennae moniliformes, extrorsum cras- 

 siores, corporis dimidio paullo longiores ; articulus l us . longus, 

 subfusiformis, gracilis ; 2 US . cyathiformis ; 3 US . minutus ; 4 US . 

 mediocris ; 5 US . et sequentes ad 9 um . majores, latescentes ; 10 us . 

 conoides, acuminatus, 9°. multo longior : thorax brevi-ovatus, 

 subtilissime squameus, parum convexus : prothorax brevissimus, 

 supra vix conspicuus : mesothoracis parapsidum suturae non bene 

 determinatae ; scutellum parvum, planum, semicirculum fingens : 

 metathorax mediocris : abdomen cochleatum, laeve, planum, tho- 

 race vix longius ; segmentum l um . breve ; 2 um . glabrum, max- 

 imum, basi scite sulcatum ; 3 um . et sequentia brevia, subaequalia : 

 pedes graciles : alae mediocres : humerus ramulum emittens in 

 alae discum recte declivem. 



Fern. — Antenna? clavatae, corporis dimidio multo breviores ; articuli 

 3°. ad 7 um - minimi, brevissimi, latescentes ; 8 US . et sequentes 

 maximi, lati ; 10 us . conoides, 9°. paullo longior: abdomen 

 ovatum, thorace duplo longius, apice quasi caudam fingens ; seg- 

 mentum l um . brevissimum ; 2 urn . omnino laeve ; apicalia gracillima, 

 cylindrica, teretia. 



