1SS5.J 47 



A SYNOPSIS OF THE BRITISH SPECIES OF CIMBICIDINA, 

 HYLOTOMINA, LOPHYRINA, AND LYDINA. 



BY P. CAMEROJf. 



As, owing to other engagements, it will be impossible for the Kay 

 Society to publish the 3rd volume of my " Monograph of the British 

 Phytophagous Hymenoptera " for at least three years, it has been 

 suggested to me that a Synopsis of the remaining sub-families of the 

 TenthredinidcB would be of use to the students of saw-flies in this 

 country, pending the publication of the work itself. I have accord- 

 ingly drawn up tables of the genera and species not described in the 

 two volumes which have already appeared. Besides the tables I have 

 added critical remarks on the more difficult species, and have given 

 references to such of the species as have been figured in the first or 

 second volume of my work. 



CIMBICID^. 

 CIMBICIDES. 



Body large, hairy or pilose ; lanceolate cellule divided by a straight 

 cross nervure ; 1st cubital cellule receiving both recurrent nervures ; 

 mandibles large ; head swollen at the sides, projecting beyond the 

 eyes, which are small, parallel, and situated well in front. 



1 (2) Blotch large, labram small, clypeus longer than it, incised Cimbex. 



2 (1) Blotch absent ; labrum larger than clypeus. 



3 (4) Hind coxse widely separated ; antennae with 5 joints before the club ; hind 



femora toothed ; labrum and clypeus black Trichiosoma. 



4 (3) Hind coxse continuous ; antennse with four joints before the club ; hind femora 



simple; labrum and clypeus white Clavellakia. 



CIMBEX, Oliv. 

 Blotch large, wide ; clypeus shortly incised, labrum small ; an- 

 tennaB 6-jointed ; hind coxse widely separated, simple, anterior more 

 oval, closely continuous. 



1 (2) Clypeus and prouotum clear yellow ; wings yellowish, the fore-half fuscous 



throughout ; mesonotum and base of abdomen punctured humeralis. 



2 (1) Clypeus and pronotura reddish-yellow or black ; wings not fuscous throughout 



in front ; mesonotum impunctate. 



3 (4) Thorax, femora, the base, sides in part and lower side of abdomen violaceous ; 



(J apex of abdomen black or dull brownish, and with a violet iridescence... 



connata. 



4 (3) Thorax, femora, and base of abdomen not violet. 



5 (6) Pubescence on head, thorax, and base of abdomen longish, black, or dark 



fuscous ; wings with a fuscous fascia in the basal cellule, and a fuscous 



border at apex ; head and thorax rarely yellow sylvarum. 



^pl. 5, fig. 1, vol. ii, ?). 



