ON THE SPECIES OF PLATYGASTER. 271 



Sp. 5. Ino. scrutator. Fern. Atra, tarsi ruji, alcefuscce. 



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

 ocellique nigro-picei : antennae nigrse ; articulus 2"^ apice fuscus : 

 metathorax longius pilosus : abdomen nitens, laeve, glabrum, 

 thorace longius et angustius, apice fuscum ; segmentum I"'". 

 obscurum, sulcatum, pubescens ; 2""i. basi scite sulcatum : pedes 

 picei ; coxas nigrae ; tibiae basi tarsique rufa, hi apice picei ; pro- 

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

 squamulse et nervi nigro-picea. (Corp. long. lin. \ — | ; alar, 

 lin. f — 1.) 



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

 Var. y. — Metatarsi supra rufo-picei. 



Var. ^. — Pedes nigro-picei ; coxae nigrae ; tarsi picei ; protarsi 

 pallidiores. 



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

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



I 



Div°. 3^ 



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

 Iseve thoracis latitudine : antennae moniliformes, extrorsum cras- 

 siores, corporis dimidio pauUo longiores ; articulus 1"^ longus, 

 subfusiformis, gracilis ; 2"^ cyathiformis ; 3"^ rainutus ; 4"*. 

 mediocris ; 5"^ et sequentes ad 9"™. majores, latescentes ; 10"^. 

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

 subtilissime squameus, parum convexus : prothorax brevissimus, 

 supra vix conspicuus : mesothoracis parapsidum suture non bene 

 determinatae ; scutellum parvum, planum, semicirculum fingens : 

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

 race vix longius ; segmentum 1"™. breve ; 2"™. glabrum, max- 

 imum, basi scite sulcatum ; S"'". et sequentia brevia, subaequalia : 

 pedes graciles : alae mediocres : humerus ramulum eniittens in 

 alae discum recte declivem. 



Fern. — Antennae clavatae, corporis dimidio multo breviores ; articuli 

 3". ad 7"™- minimi, brevissimi, latescentes ; 8"^. et sequentes 

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

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

 mentum 1"™. brevissimum ; 2"™. omnino laeve ; apicalia gracillima, 

 cylindrica, teretia. 



