80 
17924. 
17968. 
S71. 
17974. 
17981. 
17986. 
18013. 
18035. 
(18073. 
18087. 
18101. 
18102. 
18108. 
18110. 
18114. 
NSA, 
18132. 
STATEN ISLAND INSTITUTE OF ARTS AND SCIENCES 
Iyloderma fragarte Riley. “ Strawberry Crown Borer.” 
Breeds in crown and roots. 
Apteromechus ferratus Say. June, 1891. 
Cryptorhynchus bisignatus Say. June, July. Beaten 
from oak and birch. 
Cryptorhynchus lapatht Linn. July, Aug., Sept.; some- 
times very common on willow. An introduced species 
since 1882. 
Cryptorhynchus fallax Lec. Bred from hickory. 
Cryptorhynchus tristis Lec. June, July (Joutel). Feeds 
on leaves of scarlet oak (Schwarz). 
Dryophthorus americanus Bedel (corticalis Say). Under 
bark in wood piles, ete. 
Cossonus corticola Say. April. Aug. 3, 1907, under 
white pine bark. 
Stenoscelis brevis Boh. June 28, in hickory log. July 12. 
Rhodobenus tredecimpunctatus Ill. May, June, Aug., 
Sept., Oct. “ Cocklebur bill-bug.” Breeds in stems of 
cocklebur, joe-pye weed, etc. 
Sphenophorus inequalis Say. Aug., Oct. The species of 
and breed in 
b) 
Sphenophorus are known as “ Bill-Bugs,’ 
roots of grasses or grass-like plants. 
Sphenophorus equalts Gyll. Breeds in bulbous roots of © 
bulrush and reed. 
Sphenophorus pertinax Oliv. April, May, Aug.; often 
found on the seashore. Breeds in roots of calamus, 
cat-tail, etc. , 
Sphenophorus setiger Chitt. May. 
Sphenophorus costipennis Horn. March 18, 1894, Oak- 
wood border of salt meadow; April, June. 
Sphenophorus parvulus Gyll. April, May, June. “ Blue- 
Grass Bill-Bug.” Breeds in roots of blue-grass, timo- 
thy, etc. 
Sphenophorus zee Walsh. July. “Timothy Bill-Bug.” 
Breeds in roots of grasses including corn. 
