Note 1217 — LETTER XLVII.
Reading edition
De Geer ii. 511—. He however observes, that they often attack other insects: but the form of their mandibulæ, like that of the caterpillars of Lepidoptera, which also on some occasions become carnivorous (Vol. I. p. 386), is fitted for a vegetable diet. De Geer, Ibid. 505.