230 A NATURALIST IN THE GREAT LAKES REGION 



especially the thistles and the milkweed. The larva of the 

 monarch butterfly is often found on the latter, and the red 



,Xx* 



FIG. 320. Woodchuck, Marmota monax, and footprints 



beetle, Tetraopes tetraophthal- 

 mus, is almost always present. 

 Monarch, viceroy, anglewings, 

 fritillaries, wood nymphs, the 

 cosmopolitan (Pyrameis hun- 

 tera), and painted lady (P. car- 

 dui) (Fig. 321) are common 

 butterflies, the larvae of the two 

 FIG. 3 2i.-The painted lady, last mentioned feeding on the 



Pyrameis cardui. thistle. Hosts of flies, wasps, 



and bees feed on the blossoms, especially in the autumn when 

 goldenrods and asters are the chief floral restaurants still open 

 to hungry insects. Several orthoptera are characteristic, among 



