On Certain Grass-Eating Insects. 



/o 



The few taken were captured in the early afternoon. This species 

 has been taken in Maine, New Hampshire, and New York. The 

 eggs hatch in about two weeks. 



^^^.— Creamy white when first laid, gradually changing to a scarlet color 

 before hatching. Form elliptical oval ; size .45 mm. by .36 mm. The egg- 

 shell has sixteen longitudinal ridges and numerous smaller transverse ridges. 

 PI. XII., Fig. 18. 



Larva, first stage.— ^&2i.^ diameter .19 mm.; body diameter .15 mm.; 

 length 1.05 mm. Body a dull straw color with irregular reddish blotches on 

 the dorsum. Scattered light colored hairs occur on the head and body. 



19- The Garden Crambus. 



Crambns topiarius. 



PLATES III., IX., XII., XIV., Fig. 19. 



This species may be recognized by its small size and its linear 

 markings of yellow and silver gray combined with short black 

 lines and dots. This insect flies in large numbers with the White 

 Crambus ; the period of flight is practically limited to the month 

 of July. 



Trap Lantern Record. C. topiarius, 1889. 



This species flies most of the afternoon, and considerably after 

 dusk as indicated by the trap-lantern record. This in.sect occurs 

 on both high and low land, though not common in wet places. 

 It is one of the most common Crambids in New York. 



The species is very prolific ; one female laid .seven hundred 

 eggs, three hundred being laid the first day. This is undoubt- 

 edly above the average. The eggs hatch in about ten days. The 

 young larvae are very active and strong ; they soon begin to con- 



