INSECTS OF THE SERVICE-BERRY. 531 



skin entire except at the entrance. The caterpillar hatches at just the 

 right time for them to prey upon the newly formed plums. They grow 

 with the plums, and when the caterpillars are matured the plums are 

 of large size. The butterfly occurs in April. 



The following species also occur on the wild plum : 



5. Strymon titus (Fabr.). 



6. Incisalia irus (Godart.). 



7. Tliecla liparops. 



8. Pa2nlio glaucus Linn. 



9. Papilio troilus Linn. 



10. Chlorippe clyton B. and Lee. 



11. Basilarchia archippus (Cram.). 



12. Basilarchia astyanax (Fabr.). 



13. Smerinthus niyops Abbot and Smith. On Prunus virginiana. (J. E. 



Le Conte, MS.) 



14. Halesidota caryw Harris. (Beuteuraiiller). 



15. Phobetron pithechim (Abbot and Smith) on Pyrus sp. (Abbot's MS. 



paintings in library Bost. Soc. Nat. Hist.). 



16. Platysamia cecropia (Linn.). 



17. Clisiocampa americana Harris (" Castrensis," Abbot's MS. painting, 



Bost. Soc. Nat. Hist.) on Pyrus coronaria in Georgia. 



18. Schizura unicornis Abbot and Smith. Prunus virginiana (Lintner, 



But. Contr., iii). 



Order Goleoptcra. 



19. Calligraplia scalaris Lee. " Whole swarms along with their larvae." 



(Walsh, Proc. Ent. Soc. Phil., 1864, p. 403). 



HEMIPTERA. 



20. Aphis cerasicolens Fitch. On Prunus serotina, 



21. Aphis cerasifolice Fitch. On choke cherry. 



INSECTS AFFECTING THE SERVICE-BERRY OR JUNE-BERRY. 



Amelanchier canadensis. 



1. NepticuJa amelanchierella Clem. 



This is found in the leaves of the service-berry or June-berry, Amelan- 

 chier canadensis, in June and July. The mine is a rather broad tract, 

 sometimes much contorted, with rather irregular edges, placed most 

 often towards the base of the leaf and having a rather broad " frass" 

 line of a dark-brown color. (Clemens.) 



2. Ornix quadripunciella Clem. 



Early in August the larva may be found in the leaves of June-berry 

 or service-berry making Lithocolletiforra mines on the under surface. 

 Towards the middle of the month, it abandons its mine and feeds under 



