624 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



The Codling Moth * 



The common apple worm, the larva of the codling moth, is 

 probably the best known and most generally destructive of all 

 the apple insects. It is an old European insect and has been 

 distributed to almost all parts of the world where apples are 



d 



FIG. 480. The codling moth (Cydia pomonella Linn.): a, egg greatly 

 enlarged; b, young larva hatching from egg; c, larva in winter cocoon 

 on inside of a bit of bark; d, pupa original; e, moth after Slinger- 

 land all much enlarged. 



grown. The ". wormy " apple is so well known that the work 

 of the larva needs no description, but the aggregate loss which 

 it occasions is not always appreciated, as most of the injured 



* Cydia pomonella Linn. Family Tortricidce. See A. L. Quaintance, 

 Yearbook U. S. Dept. Agr., 1907, p. 435; E. L. Jenne, Bulletin 80, Part I, 

 Bureau of Entomology, U. S. Dept. Agr.; C. B. Simpson, Bulletin 41, n. s., 

 Div. Ent., U. S. Dept! Agr.; E. D. Sanderson, Bulletin 143, N. H. Agr. Exp. 

 Sta.; and bulletins of the State Agrcultural Experiment Stations. 



