36 THE FAUNA OF SCOTLAND. 



rugose; the labrum, clypeus, and palpi are quite black; the mandibles 

 scarcely piceous; the pleurae not so much punctured, a little smoother, 

 more pubescent; mesonotum shining; coxae, trochanters, and femora 

 (except at the extreme apex) quite black, and posterior tarsi fuscous. 

 Wings clear hyaline, costa and stigma fuscous, and the 3d submarginal 

 cellule longer, more dilated at apex. The frontal sutures are not distinct, 

 the apex of abdomen testaceous. In size they are nearly the same. 



30. N. MOLLIS, Htg. 



Not common. Imago in June. The larva, according to Saxesen, feeds 

 on the pine. 



Kannoch, Braemar. 



31. N. CRAssus, Fall. 



Local. Imago in June. Larva uncertain. 

 Braemar, Kingussie (on aspen). 



Thomson has split off from Crassus a species which he names brachya- 

 canthus. They may be distinguished as follows : — 

 Coxae, trochanters, and spurs, black — crassus. 

 Coxae, trochanters at base, and spurs, red — hrachyacanthus. 

 The larva of hrachyacanthus is well known, but that of crassus remains 

 to be discovered. 



32. N. MiNiATus, Htg. 



= zetterstedti (Dbm.) Thorns. 

 Kare. June. 

 Braemar (Dr White). 



33. N. MYOSOTiDES, Fah. 



= papillosus, Thorns. ; nee Ketz. 



Very common. Imago in June and July. Larva August. Food plant 

 — red clover. 



Fossil Marsh, Cadder, Kilsyth, Cambuslang, Paisley, Ardlui, Killin, 

 Kintail, Lochalsh. 



Blair-Athole, Perth, Kannoch, Kingussie, Aberdeen, Braemar, Bonar 

 Bridge, Lairg, Golspie, Altnaharra, Dornoch, Berwickshire. 



The larva is pale-green, with a paler dorsal line. 



34. N. ABDOMINALIS, Fah. 



= ventralis, Htg., Thorns. ; nee Pz. 



Not uncommon. Imago in .June. Larva July and August. Food 

 plant — alder. 



Clober, Bishopton, Glen Moriston. 



Braemar, Altnaharra, Rannoch, Kingussie, Berwickshire. 



The larva has the head brownish-yellow, with black eye-spots, and dark 



