TENTHREDO BALTEATA. '83 



8. TENTHREDO BALTEATA. 



Tenthredo lalteata, King, Berl. Mag., viii, 181, 119; Htg., 



Blattw., 313, 59 ; Thorns., Hym. 

 Scand., i, 277, 14 ; Cam., Fauna, 

 11, 4 ; Brischke, Ent. Nacht., 

 1880, 56 ; Andre, Species, i, 447 ; 

 Cat., 57,* 29. 

 soror, Zett, I. L. 



Allantus lalteatm, Ste., 111., vii, 66, 25. 



Black ; face with the inner orbits of the eyes, apex of fourth, the 

 fifth to ninth antennal joints beneath, and edge of pronotum white ; 

 abdomen beneath, and the second to the seventh and eighth above, with 

 the legs reddish. Femora lined with black above, cenchri large, dis- 

 tinct ; tegulae black. Wings hyaline ; costa and stigma pale fuscous, 

 the latter darkest. The vertex and mesonotum are opaque, punctured ; 

 vertex covered with a short grey pile, pleura slightly and breast densely 

 pubescent ; the face is sparsely covered with long hairs. 



The has the tegulae white, the tibiae narrowly lined with black 

 above, the coxae and trochanters black only at extreme base and apex, 

 and the third joint at the apex and the whole of the fourth antennal joint 

 are white on the under side. 



Length 5 5| lines. 



The white on the face is often spotted with black 

 dots, and the red on the abdomen is frequently very 

 obscure. The larva, according to Brischke, feeds on 

 the bracken (Pteris aquilina). 



One of the commonest species of the genus. It 

 appears in June and early in July, and abounds from 

 Devonshire to Thurso. Its continental distribution 

 is co-extensive with that of rufiventris. 



Antennae black, moderately long. Eyes converging. Mouth 

 white. Pronotum black, or lined with white ; sometimes a white 

 mark over posterior coxae. Abdomen entirely black, or with the 

 middle segments red. Legs red, the posterior marked with 

 black. Posterior tarsi compressed and thickened (Species 3 

 to 14). 



