162 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



very tightly around its body, and hugs up close to the grass 

 so that it is hardly distinguishable from it. Projecting from the 

 head in front is what appears to bo a long beak or snout, on 



account of which 

 these moths are 

 often known as 

 "snout-moths," but 

 which really con- 

 sists of the palpi 

 or feelers. The 

 " grass-moths," as 

 they are sometimes 

 called, belong to the 

 genus Crambus and 

 include several 



common species, 

 which are marked 

 with silver stripes 

 and bands, as well 

 as golden lines and 

 markings, so that 

 they often present 

 a very handsome 

 appearance. 



Life History. 

 These are the pa- 

 rents of the web- 

 worms which do so 

 much injury to the 

 young corn-roots, 



FIG. 119. The corn-root web-worm (Crambu* the principal depre- 

 caliginosellus) : a, larva; b, pupa; c, moth; d, dators upon corn 

 segment of larva; e, parasite. (After Johnson.) 



belonging to the 



species Crambus caliginosellus. They lay their eggs in grass 

 land in May or early June, dropping them on the surface 

 among the rubbish or vegetation, or attaching them to the 



