183 



Aug. 2$ (No. 146) ; and on flowers of the swamp milkweed, A. iu- 

 carnata (Sta. I, d), Aug. 9 (No. 12). 



Nymphalid^ 



Argynnis idalia Drury. Idalia Butterfly. 



This species was taken from the flowers of the swamp milkweed, 

 A. incarnata (Sta. I,d), Aug. 12 (No. 37). 



Anosia plexippus L. Milkweed Butterfly. (PI. XLVI, fig. 3.) 



This common butterfly was abundant upon the prairie at Sta- 

 tion I. It was observed copulating on willows at Sta. I, d, Aug. 9, 

 and when on wing was able to carry its mate, whose wings were 

 folded. It was observed on flowers of the thistle Cirsiitm discolor 

 at Station I (No. 155). 



Lyc^nid^e 



Chrysophanus thoe Boisd. & Lee. Thoe Butterflv. 



This butterfly was taken on flowers of the rattlesnake-master, 

 Bryngium yuccifolium, on the Loxa prairie (Sta. II) Aug. 13 

 (No. 55)- 



The caterpillar feeds upon smartweeds (Polygonum) and dock 

 (Rumex), and also upon prickly ash, Zanthoxylum. 



Sphingid.e 



Hcwaris diffinis Boisd. Honeysuckle Sphinx. 



This hawk-moth was taken upon flowers of the swamp milkweed, 

 A. incarnata (Sta. I,d), Aug. 12 (No. 32), and by T. L. Hankin- 

 son July 3, 191 1, at Station I (No. 7655). This moth flies during 

 bright daylight. The caterpillar lives on bush honeysuckle, snow- 

 berry, and feverwort. 



ArCTIID/E 



Ammalo eglcnensis Clem, or tencra Hiibn. 



This caterpillar was taken on dogbane, Apocynuni medium, on 

 the Loxa prairie (Sta. II) Aug. 13 (No. 53). 



Eglcnensis is reported to feed upon Asclcpias tubcrosa and 

 Apocynuni. 



Noctuidje 



Rhodophora gaurce Sm. and Abb. 



This interesting larva was not taken at Charleston, but on the 

 prairie near Vera,_ Fayette countv, 111., on Gaura biennis Sept. 1 

 (No. 186). This specimen was determined by W. T. M. Forbes. It 



