534 COLEOPTEROUS INSECTS FOUND IN 
Gen. PiEDERUs. 
P. riparius, Fah. Staph, riparkcs, Linn. Marsh. 
On banks by the sides of rivers, under stones, and 
amongst grass ; but is far from common. April, May. 
Gen. Stenus. 
S. brunnipes, Kirhy. 
" The Stenii," says Mr Curtis, are found at all sea- 
sons in damp situations, upon moist banks, sides of rivers 
and ditches, under stones, and upon aquatic plants." The 
S. brunnipes is not the most common in this neighbour- 
hood, but it occurs occasionally at the roots of hedges, &c. 
Near Duddingston. 
S. unicolor, Kirhy. 
Pretty frequent in the spring under stones by the side of 
the Water- of- Leith, and in numerous other situations. 
S. gracilis, Steph, 
Not very plentiful. Under moss and at the roots of 
plants. Figget Whins, &c. 
S. gonymelas, Kirhy* 
In such situations as the last, and rather more frequent. 
S. Juncorum, Leach. 
Moist banks and aquatic plants. Among the reeds at 
Duddingston Loch. Pond, Botanic Garden. 
S. lineatulus, Kirhy. 
With the preceding, not very rare. 
Gen. DiANoijs. 
D. rugulosus, Leach. Dia. cceridescens, Curtis, iii. pi. 107. 
This insect was first discovered by Dr Leach, who met 
|witli it upon the banks of the Esk near Rosslyn Castle. 
It is very local in this country. 
