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 



FIG. 320. Woodchuck, Marmota monax, and footprints 



FIG. 321. The painted 

 Pyrameis cardui. 



lady, 



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 

 last mentioned feeding on the 

 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 



