142 MAINE AGRICULTURAL EXPERIMENT STATION. 



PLATE IV. 



Fig I. — Forest tent caterpillar {Clisiocampa disstria) . See page ii8. 

 a, egg clusters ; b, moth ; c and d, eggs ; e, caterpillar. 



Fig. 2. — Apple tree tent caterpillar {Clisiocampa Americana). See 

 page 120. a and h, larvae ; c, egg cluster ; d, pupa ; e, male moth ; f, 

 female moth. 



PLATE V. 



Fig. I. — Fall web worm (Hyphantria cunea). See page i2i. Moths 

 and cocoons — natural size. (After Howard. Farmer's Bulletin 99, U. 

 S. Dept. Agr.) 



Fig. 2. — Fall web worm, a, light form of full-grown larva ; h, dark 

 form of same; c, pupa; d, spotted form of moth (compare fig. i), all 

 slightly enlarged. (After Howard. Farmer's Bulletin 99, U. S. Dept. 

 Agr.) 



PLATE VL 

 Fig. I. — Lime tree winter moth (Hybernia tillaria). See page 123. 



a, larvce at work; b, female moth; c, male moth. 



Fig. 2. — Apple leaf bucculatrix {Bucculatrix P omif oliella) . See page 



125. a, cocoons, natural size; b, same, enlarged; c, moth, enlarged. 



Fig. 3. — Apple tree aphis {Aphis mali). See page 129. a, female; 



b, male ; c, male, natural size. 



Fig. 4. — Fall canker worm (Anisopteryx pometaria). See page 128. 

 Oj male moth ; b, female moth ; d, egg cluster. 



Fig. 5.— Fall canker worm, — eggs and larva, a and b, egg, enlarged; 

 Cj segment of larva enlarged ; e, egg cluster ; f, full grown larva. 



PLATE VIL 

 Fig. I. — White-marked tussock moth {Orgyia leucostigma) . See page 



126. a, larva ; b, female pupa ; c, male pupa ; d, e, male moth ; f, female 

 moth ; g, same, ovipositing ; h, &%'g mass ; i, male cocoons ; k, female 

 cocoons, with moths carrying eggs — all slightly enlarged. (After 

 Howard. Farmer's Bulletin 99, U. S. Dept. Agr.) 



Fig. 2. — Codling moth {Carpocapsa pomonella). See page 133. a, 

 fruit showing work of larva; b, point of entrance; c, larva, full grown; 

 d, pupa; f, g, moth; h, head of larva; i, cocoon. (After Riley). 



Fig. 3. — Plum curculio- {Conotrachelus nenuphar). See page 134. 

 a, larva ; b, chrysalis ; c, beetle ; d, beetle and its work — all except d, 

 enlarged. 



PLATE VHL 



Fig. I. — Apple maggot (Trypeta pomonella). See page 136. Mature 

 fly (female), much enlarged. 



Fig. 2. — Apple maggot. Larva much enlarged. — The short line above 

 shows the natural size. 



Fig. 3. — Apple maggot. An infested fruit. 



