BEETLES. 151 



Genus Pachyta, Serv. 



Wing-cases broad, very convex in front, with projecting 

 shoulders much attenuated behind and rounded at tlie 

 extremities. They are found on Unibelliferce and on felled 

 timber. 



P. quadrimaculata, Linn. (Plate XYIIL, Fig. 7). Elytra 

 yellow, each with two black spots. It is found on flowers 

 in various parts of the Continent. 



* P. octomaculata, Schall. {ceramhydformis, Schrank), (Plate 

 XVIIL, Fig. 8). Wing-cases covered with grey pubescence, 

 each with three or four black spots and a black extremity. 

 It is found on flowers and on felled timber. It is very local. 



P. virginea, Linn. (Plate XVIIL, Fig. 9). Wing-cases 

 green, blue or violet). Abdomen, and generally the pronotuni 

 also, red. It is common in the mountains of Central Europe. 



* P, coUaris, Linn. (Plate XVIIL, Fig. 10). Pronotuni 

 and abdomen red. Elytra violet, blackish-green or dark bhie. 

 It is most fond of Spircca, upon which it is usually found, 

 but is also common in hop gardens. 



Genus Strangalia, Serv. 

 Wing-cases much narrowed behind in the males, less so 

 in the females. Pronotuni generally longer than broad. 

 Legs slender. They frequent flowers. 



* aS'. quadrifasciata, Linn. (Plate XVIIL, Fig. 11). Wing- 

 cases with three yellow interrupted bands, and tipped with 

 black. They are found chiefly on elder-blossom. 



S. atra, Fabr. (Plate XVIIL, Fig. 12). This species is 

 black, with fine grey pubescence, with a silky gloss beneath. 

 It is found on the flowers of Uvibdlifcrce, and inhabits Central 

 Europe. 



