BIRCH BEETLES. 511 
84. Chlamys plicata Fabr. 
Chlamys plicata Fabr. (Entom. Syst., Suppl., 1794, p. 111). This species is some- 
times found feeding, as imago, on Betula alba. The larvae feed on Quercus, Platanus, 
Bubus, and Comptonia asplenifolia. Riley (6th Ann. Rept. State Entom. Mo., 1874, p. 
128-129) describes egg, larva, and pupa; and Packard (Guide to the Study of Insects, 
1869, p. 510) describes and figures the larva and its case. 
85. Telephorus bilineatus Say. 
Telephorus bilineatus Say (Journ. Acad. Nat. Sci. Phil., 1823, v. 3, p. 182). Packard 
(1st Ann. Rept. Inj. and Benefic. Ins. Mass., 1871, p. 26-28, pi. 1, fig. 7-8) describes and 
figures larva and imago and writes that the pupa of this species " early in May 
becomes a beetle, when it eats the newly expanded leaves of the birch." Riley (4th 
Ann. Rept. State Entom. Mo., 1872, p. 29-30) describes and figures the larva and imago, 
stating that the larva has been found to eat larvte of Carpocapsa pomonella. 
86. Aphrastus toeniatus Gyll. 
Aphra8lU8 toeniatus Gyll. (Schonh., Synon. Insectorum, Gen. et Spec. Curcul., 
1834, t. 2, p. 460). Good description in Le Conte and Horn's Rhynchophora of Amer. 
north of Mex. (Proc. Amer. Philos. Soc, 1876, v. 15), p. 99. This species is not rare 
in Cambridge, Mass., on Betula alba. 
87. The rose chafer. 
Macrodactylus subspinosus Fabr. (Syst. Entom., 1775, p. 39). This beetle devours 
the leaves of Betula alba. Its metamorphoses were described by Harris (Mass. Agric. 
Repos. and Journ., 1827, v. 10, p. 1-12). and many subsequent descriptions and figures 
have been given, among which may be mentioned Fitch (1st and 2nd Rept. Ins. N. 
Y., 1856, p. 245-252), Packard (Guide Study Ins., 1869, p. 454), Riley (5th Ann. Rept. 
State Entom. Mo., 1873, p. 108-110), Thomas (6th Rept. State Entom. 111., 1877, p. 103) 
and Lintner (1st Ann. Rept. State Entom. N. Y., 1882, p. 227-232). 
88. Dichelonycha elongatula Schonh. 
Dichelonycha elongatula Schonh. (Synon. insectorum, 1817, t. 1, theil 3, p. 210). 
Packard (Guide Study Ins., 1869, p. 454) says this species "is found in June on-the 
leaves of the birch." 
89. Lonchoda t polita Say. 
Reared in Cambridge, Mass., from decaying Polyporus betulinus, a fungus parasitic 
on dead trunks of Betula alba (Mrs. Dimmock, Psyche iv, p. 241). 
90. The triple-rowed syneta. 
Syneta tripla Say. 
Order Coleoptera; family Chrysomelhxe. 
In May and the forepart of June, eating the leaves of this and various other trees, 
an oblong chestnut-brown and closely punctured beetle, with wing-covers usually 
pale dull yellowish except on their suture, and their punctures forming about three 
rows between each of the three raised lines ; its length 0.25 and about a third as wide. 
A common insect in New York. (Fitch.) 
