PHOLIDOPTERA GRISEOAPTEftA. 157 



{Burr) ; Surbiton (Burr}. Sussex : Guestling (Bloomfield) ; 

 Lewes, Chailey (McLachlan) ; Eastbourne (Winston); Aldwich; 

 Bognor and District (G-uermonprez) ; Ashdown Forest (Burr); 

 Slindon (Guermonprez) ; East Grinstead (Burr). Wilts: West 

 Wood near Marlborough (Stowell). 



WALES.- -In the Cambridge University Museum are speci- 

 mens labelled "Rnglan (Perkins) ; Grower vi. 97." Presumably 

 these are Welsh examples. 



Genus 2. METRIOPTERA \Vesmael. 



Metrioptera. WESMAEL Bull. Aoad. Sc. Bmx. vol. v. p. 592 . 1838. 

 Platycleis FIBBER, in Kelch, Grimdl. Keimtn. Orthopt. p. 2 . 1852. 

 Chelidnptera WESMAEL Bull. Ac-ad. Sc. Brux. vol. v, p. 591 . 1838. 



Vertex broad. Pronotum rounded above or flat, 

 with or without carinse, the lateral ones, when present, 

 dull and nearly straight or bowed outwards posteriorly ; 

 lateral lobes well developed. Prosternum unarmed. 

 Organs of flight fully developed or abbreviated, the 

 elytra ranging from as long as the pronotum, rarely 

 less, to much longer than the bodv. Le^s variable in 



O i/O 



length, the posterior femora, two and a half times as 

 long as the pronotum, or longer ; all the femora 

 unarmed ; anterior tibiae armed above, on the outer 

 side only, with three spines ; posterior tibise with four 

 apical spurs below ; free plantula sometimes as long, or 

 nearly as long, as the first segment of the tarsi, but 

 usually not more than half as long. Cerci of the male 

 armed with a tooth on the inner side at the base or 

 before the middle. Ovipositor usually somewhat 

 curved upwards, sometimes nearly straight, pointed, 

 apically smooth or finely crenulate. (A. JN\ Caudell.) 

 Type of the genus Metrioptera brachyptera Linn. 



TABLE OF THE BRITISH SPECIES. 



1. Elytra and wings fully developed . . M. allopunctata. 



2. Elytra abbreviated ; wings vestigial. 



(a). Pale posterior margin to lateral 



flap of pronotum ; ovipositor 



9 mm. . . . J/. brachyptera. 



(b). Pale margin all round flap of 



pronotum; ovipositor 6 mm. . M. roeselii. 



