TENTHREDO PICTA. 99 



22. TENTHREDO PIOTA. 

 PI. VIII, fig. 7, j . 



Tenthredo picta, Klug,Berl. Mag., viii, 195, 140; Htg., Blattw., 

 309, 39 ; Evers., Bull. Mosc., xx, 51, 

 24. 



Perineura picta, Andre, Species, i, 435 ; Cat., 52,* 4. 



Allantus pictus, Ste., 111., vii, 39, 70, 



Tenthredo viridis, Cam., Fauna, 14, 17. 



seesana, Rudow, S. E. Z., 1871, 388. 



Pale green ; antennas a little sliorter than the abdomen, black, pale 

 green beneath, except with the second joint which is entirely black. 

 Head black, face from above the antennas, inner orbits of the eyes to 

 near the ocelli, where it (the green mark) terminates in a club-shaped 

 mark on each side ; two spots above the antennae, connected with the face, 

 and the outer orbits of the eyes to near the top, light green ; covered 

 with a longish, whitish pile except on the vertex ; mandibles brownish - 

 red ; palpi pale green. Mesonotum black ; two pairs of spots, one behind 

 the other, green. Pronotum, pleura and sternum (except a brown-black 

 mark on its centre) light green. Scutellum, post-scutellum and cenchri 

 of the same colour. Legs green, a black line over the femora, tibiae and 

 tarsi, and the apex of the tibia all round, black. Sometimes the tarsi 

 are entirely black. Wings hyaline, iridescent, stigma green, generally 

 fuscous at the apex ; transverse radial nervure interstitial, or received 

 in the fourth cubital cellule. Abdomen black above except at the edges , 

 apex, and junction of the segments, which as well as the belly, are green. 

 The ventral segments are irregularly spotted with black. ? and . 



Length 3| 3 lines. 



The larva according to Andre is greenish-yellow, 

 with black legs (claws?), and the skin covered with 

 brown, hair bearing tubercles. It feeds on the alder, 

 on the leaves of which the ? lays her eggs on the 

 nervures. 



Easily known by its small size (for the group), black 

 head, and broad black band on breast. 



Not very common, appearing in marshy places in 

 June. 



I have seen specimens from Sutherlandshire, Brae- 

 mar, Glasgow, Worcester, Glanvilles' Wootton, and the 

 London districts. Stephens gives Darenth Wood and 

 Dover as localities. 



It is found in Sweden, Germany and Eussia. 



Ols.It may be noted that the green colour in the costa and stigma 

 is very fleeting, and hence the stigma is frequently quite white, white 



