BLENNOCAMPA MELANOCEPHALUS. 245 



11. BLENNOCAMPA MELANOCEPHALUS. 



Plate VII, fig. 4, Segment of Larva ; Plate XII, fig. 



. 8, ?. 



Tenthredo melanocephalus, Fab., E. S., Supp., 216, 38, 39; 



Coquel, Icon., i, 16, pi. 3, fig. 



6; Panz., F. G., 64, tab. 5; 



Klug., Berl. Mag., viii, 13 ; 



Lep., Mon., 115, 338 ; Htg., 



Blattw., 271, 17. 



albida, Klug., 1. c., 14 ; Htg., 1. c., 270, 13, g. 

 Hylotoma melanocephalus, Fab., S. P., 26, 20. 

 Selandria melanocephalus, Zaddach, Beschr., 32, fig. 15 (lav.) ; 



Voll.,Tidj. Ent., viii, 7983, 



pi. 4; Kalt., Pfl., 664. 

 Blennocampa inquilina, Foerster, S. E. Z. ; Andre, Species, i, 



305; Cat., 39,* 40. 

 melanocephala, Thorns., Opus., 279, 1 ; Hym. Sc., 



i, 206, 2 ; Cam., Fauna, 25, 8 ; 



Andre, Species, i, 305; Cat., 



39,* 39. 



Reddish-testaceous, pilose, shining; head, antenna, metanotum, a 

 large spot on the sternum, sheath of saw, a few marks on sides and 

 ventral surface of the abdomen, and the legs at the base, black. Abdo- 

 men of a paler colour than the thorax ; cenchri large. Antennae as 

 long as the abdomen, the third joint is a little longer than the fourth, 

 the remaining joints taper very slightly towards the apex. Wings 

 hyaline, nervures blackish, costa and stigma pale testaceous. 



The $ has the thorax black, and the ventral segments of abdomen 

 pale. 



Length 3 lines. 



The larva is covered with black and green spines, 

 and feeds on the under side of oak leaves. The ground 

 colour is green ; the head is green, marked at the sides 

 and on the vertex with fuscous. The black spines are 

 on the back and sides, the green ones over the legs. 

 The former are paler at the base and apex, double 

 pointed, and arise from black tubercles. They are 

 arranged in two rows on a segment, but are not placed 

 exactly opposite each other, and one is placed by itself. 

 On the back there is a clear space in the centre. Over 

 each of the ventral legs are two rows of whitish-green 

 spines, mostly simple. The spines are more numerous 

 and more irregular on the thorax, and less numerous 

 over the last segment, on which they are partly simple, 



