INSECTS INFESTING THE OAK. 



The Aeorn Moth (lloloeera glandulella) . . .158 



The following- insects also infest the Oak: 

 The Legged Locust Borer {Xyleutus robinioe). 

 The Forest Tent Caterpillar (Cliiiocampa syl- 



vatica). 



The Fall Web Worm (HyphanMa textor). 

 The Yellow-necked Caterpillar {Datana mui- 



istra). 

 The Tussock iloth (Onjyia leiu-ostiijina). 



CIJAPTEK ClAUl. 



The Aeorn Moth. (Cal.) 



{Ilolorcra (jlandiihlld. — Kiley.) 



Order, Lei'I1k)Ptkka ; Family, Tinkid.k. 



[Living ill acoru.s ; a yellcjwish or grayish-white sixteen- 

 legged eaterpillar, IVoiii three to six lines long. J 



This caterpillar (Fig. 2o2a) is supposed to infest only those 

 acorns which have been infested by some other insect, such as 

 the larva of a weevil. Tt assumes the pupa form in its burrow. 



Fig. 232. — Acorn Fig. 232. 



Moth ; /, the m o t h 

 enlarged — color, ash- 

 gray ; A, an acorn, 

 showing hole where 

 the caterpillar e n - 

 tared ; a, the cater- 

 pillar in an acorn — 

 color, grayish-white ; 

 e, back view of a segment of its body, enlargetl ; <■/, side view 

 of same, enlarged ; f, top of the head and first three segments 

 of the caterpillar's body, enlarged — color of head and first 

 segment, light browai. 



The fore-wings of tlie moth (Fig. 232/) exi)and from six to 

 nine lines, are of an ashen-gray ct)k)r, marked near the middle 

 with two dark spots, and with a |)ale transverse stripe across 

 the basal third of the wing. The moths issue during the .Sum 

 nier season, or from April to September. 



Note. — The above account of this insect is given because 

 several persons have insisted that it is the codlin moth. 



