348 ENTOMOLOGICAL NEWS. [Oct./l/ 



1. Iphiclides ajax Hiib. Bred in eastern and southern Iowa, very 



rare in the northwest. April to July, 

 la. I. ajax, var. marcellus. Boisd.-LeC. 



2. Papilio glaucus Linn. Rather rare in the northern parts, more 



common southward. May and August. 

 2a. P. glaucus, var. tumus Linn. April to September. Common 

 everywhere. 



3. Papilio troilus Linn. Rare in eastern and southern Iowa. 



4. Papilio thoas Linn. Fairly common, June to September. Dis- 



tribution general. 



5. Papilio polyxenes Fab. Fairly common, May to September. 



Distribution general. 



6. Laertias philenor Linn. Rare. Occasionally breeds in east- 



ern and southern Iowa. April to July, October. 



7. Pontia protodice Boisd.-LeC. Common throughout the warm 



months. Distribution general. 

 7a. P. protodice, var. vernalis Edw. Rare. 



8. Pontia rapae Linn. Very abundant everywhere during all the 



warm months. 

 Sa. P- rapae, var. immaculata Skinner and Aaron. Rare. 



9. Nathalis iole Eoisd. Fairly common everywhere. July to 



October. 



10. Callidryas eubule Linn. Occasionally common. August and 



September. Distribution general. 



11. Zerene caesonia Stoll. May to October, common after July. 



Distribution general. 

 11a. Z. caesonia, var. rosa McNeill. Rare during September. 



12. Eurymus eurytheme Boisd. Common in all parts of the State 



from May to October. Albino females fairly common. 



12a. E. eurytheme, form eriphyle Edw. Fairly common during the 

 late summer. 



12b. E. eurytheme, form keewaydin Edw. Fairly common during 

 the early summer. 



1:-!. Eurymus philodice Godart. Very common. May to Oct. Dis- 

 tribution general. 



14. Pyrisita mexicana Boisd. Found in all parts of the State 



but the northeast. Very rare. July to Oct. 



15. Eurema nicippe Cramer. Rare in southern Iowa and along the 



Mississippi. June. 



16. Eurema euterpe Menetries. Fairlj- common throughout the 



State. July to Oct. 



17. Agraulis vanillae Linn. Two specimens in Mr. Porter's col- 



lection are the only ones located, though the species is un- 

 doubtedly to be found in the southern part of the State. The 

 two were taken late in June. 



