216 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



spotted, as in sparsus Schoen. This is the species I breed from acorns, 



and I believe it also infests hazel nuts." (Kiley.) 



Mr. F. Blanchard states that Dr. G. M. Le- 

 vette has bred this weevil from acorns gathered 

 in summer, and brought from Arizona. (Bull. 

 Brooklyn Ent. Soc, vii, 107.) 



Beetle. — First joiut of autenna? longer than second ; 

 inetastermim of male with a small, rounded, condensed 

 patch of yellow scales each side of the median line. 

 Femoral tooth small, the entering anjjle rounded. 



Fig. 69.— Acorn weevil, Balani- 

 nun rectus. — After Kiley. 



206. Balaninus naaicus Say. 



Professor Riley received from H. K. Morri- 

 son, Fort Grant, Ariz., July 26, 1882, a lot of 

 acorns o1i,Q. grisea infested by larvai of the above insect, each contain- 

 ing apparently only one larva. The larvje left the acorns as soon as re- 

 ceived and entered the ground. They are yellow, head reddish brown, 

 mandibles dark brown. The beetles issued from April 28 to May 21, 

 1883. (Unpublished notes.) 



307. The acokn moth. 



Holcocera glandulella Riley. 



Order Lepidoptera ; family Tineid^. 



The larva occupies the deserted holes of the acorn weevil. The 

 imago is a narrow-winged moth which drops an egg in the hole, from 

 which hatches a slender grayish white or yellowish worm with 16 legs 

 and blue-black dorsal marks, with a light brown conical shield and 

 dusky anal plate. 



Moth. — With silvery-gray fore wings, marked with dull reddish ; two distinct dark 

 discal spots ; a pale transverse stripe across the basal third of wing, slightly bent 

 inwards at the middle; this stripe is well relieved behind by a dark shade, which. 



Fig. 70. — Acorn ninth (f.); a, b, acorns containing the 

 worm ; c, front end of the worm ; d and e, side and top 

 view of a segment. — After Riley. 



generally extends from the bend to the costa above the discal spots, forming a more 

 or loss distinct triangular shade in the anterior middle portion of the wing. Hind 

 wings brownish gray. Expanse of wings, 0.50-0.80 inch. (Riley.) 



