LIST OF ILLUSTRATIONS. 1 1 1 



FIG. ">.-. Eggs of the Angular-winged Katydid (Ificrocgffl/rMsreJtweruis, Buroi.); a, front; 



b, side view, soon after laid. 



FIG. 59. Eggs of the Broad-winged Ka>by&L<L(Platyphyllumconcavum Ilarr. ) ; a, side; b, 



front view, enlarged; c, d, natural size. 

 FIG. 60. Buck Moth (Hemih'uca main, Drury). 

 FIG. 61. Buck Moth (Hi'mikuat maia, Drury) eggs. 



FIG. 62. Buck Moth ( Hemileuca maia, Drury) ; a, full-grown-larva ; b, pupa; c, ordinary 

 form of spine of larva in the first stage; d, branched spine on thoracic 

 joints of same; r, form of spines in second ,st;iu'<- of larva; /, y, spines of 

 full-grown larva. 



FIG. 63. lo Moth (Hyperchiria lo, Fabr.), male. 



FIG. 64. lo Moth (Hyperchiria To, Fabr.), female. 



FIG. 65. lo Moth (Hyperchiria lo, Fabr.), caterpillar. 



FIG. 66. lo Moth (Hyperchiria lo, Fabr.), spines in 1st (c), 2d (6), and 5th (a) stages 

 of caterpillar. 



FIG. 67. Green- striped Maple-woiin (Jlryocum^a rnlicimda, Fabr.); a, caterpillar; b, 

 chrysalis ; c, female moth. 



FIG. 68. Sclroisia bifasciata, Fabr. 



FIG. 69. Hellgrammite Fly (Corydalus cornuius, Linn.) ; a, larva ; b, pupa ; <:, male rly : 

 d, outline of head and prothorax of female. 



FlG. 70. Hellgrammite Fly (Corydalus cornutus, Linn.) ; supposed eggs. 



FIG. 71. Hellgrammite Fly (Corydalus cornutus, Linn.), pupa. 



FIG. 72. Goat-weed Butterfly (Paphia glyccrium Doubl.); a, leaf eaten by the larva 

 (natural size); b, head of larva in the first stage ; c, larva in third stage ; d, 

 head in second stage ; e, head in fourth stage all enlarged. 



FIG. 73. Painted-wing Digger-wasp (Ammophila pictipennis Walsh). 



FIG. 74. Yucca-moth (Pronnba yuccasdla Kiley); a, head with pollen mass (1), (2) the 

 maxillary tentacle, (3) the maxillae, (4) maxillary palpi, (5) antenna; l>, 

 maxillary palpi with tentacle ; c, single spine from maxillary tentacle ; d, 

 maxillary palpus of male; e, wing scale; /, anterior leg; g, labial palpus; 

 It, venation of anterior wing; i, venation of posterior wing, male; j, last 

 joint of the abdomen of the female with the ovipositor exserted all ei> 

 larged. 



FIG. 7. Yucca-moth (Pronula yuccast-lla Eiley) ; a, larva; I, moth with wings folded 



c, female moth with wings expanded, (all natural size) ; d, side view of one 

 joint of larva ; f, head of larva from below ; /, same from above ; g, leg of 

 larva ; h, maxilla ; i, mandible ; j, labial palpi and spinneret ; k, antenna 

 all enlarged. 



EEPORT VI. 



FIG. 1. Potato-beetle Catcher. Made of five barrel hoops and four (BB. EE) barrel 

 staves, covered with cotton cloth. 



FIG. 2. Grape Phylloxera (Phylloxera vastatrix Planchon), galls on the leaf, seen from 

 beneath. 



FIG. 3. Grape Phylloxera (Phylloxera ra-stafrixPlan.) ; a, b, pedunculated galls; c, gall 

 just forming ; d, same from beneath. 



FIG. 4. Grape Phylloxera (Phylloxera vastatrix Plan.) Type Gallicola ; a, b, newly- 

 hatched larva, ventral and dorsal view ; c, egg ; d, section of gall ; e, swell- 

 ing of tendril ; /, g, h, mother gall-louse lateral, dorsal and ventral views ; 

 i, her antenna ; j, her two-jointed tarsus. 



FIG. 5. Grape Phylloxera (Phylloxera vastatrix Plan.) Type Radieicola ; a, roots of 

 Clinton vine, showing relation of swellings to leaf galls, and power of re- 

 sisting decomposition ; b, larva as it appears when hibernating ; c, d, an- 

 tenna and leg of same; e, f, g, forms of more mature lice; 7i, granulations 

 of skin ; *, tubercle ; j, transverse folds at border of joints ; 1; simple eyes. 



