INSECTS INJURIOUS TO THE GRAPE 



461 



Hawk-moth Larvae * 



Several species of Hawk-moth or Sphinx-moth larvae are com- 

 monly found on the vine. Most of them are widely distributed 

 throughout the country and feed on wild grape and Virginia 

 creeper. Usually they are not numerous enough to do serious 



FIG. 385. The achemon sphinx (Pholus achemon Dru.): a, moth; 6, egg; c, 

 young larva; d, mature larva; e, pupa; /, parasitized larva all natural 

 size. (After Marlatt, U. S. Dept. Agr.) 



damage, and as they strip a branch at a time, they are readily seen 

 and may be destroyed before much injury is done. Occasionally, 



* Family Sphingidce. See O. Lugger, 4th Report State Ent. Minn.; lad 

 M. Eliot and Caroline M. Soule, "Caterpillars and their Moths." (N. Y., 1902). 



