Economic entomology for the farmer Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . economicentomolo00insmit Year: 1896 THE INSECT WORLD. 171 The family Silphida;, containing what are popularly known as 'carrion' and 'burying beetles,' is in sharp contrast to any- thing heretofore spoken of, and here the antennae are capitate,— z'.(?., terminated by a spherical or ovate knob abruptly formed, like a head. The beetles are usually found on or about carrion of all kinds, though some of the smaller forms live in dec
Economic entomology for the farmer Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . economicentomolo00insmit Year: 1896 THE INSECT WORLD. 171 The family Silphida;, containing what are popularly known as 'carrion' and 'burying beetles,' is in sharp contrast to any- thing heretofore spoken of, and here the antennae are capitate,— z'.(?., terminated by a spherical or ovate knob abruptly formed, like a head. The beetles are usually found on or about carrion of all kinds, though some of the smaller forms live in decaying fungi. In the large species there are two distinct types, repre- sented on the one hand by the genus Silpha, in which the species Fig. 142. Carrion beetles.—a, Necrophorus americana: b, larva of Silpha lapponica ; c, Silpha amcricana. are much flattened and proportionately very broad, with small heads, and on the other by the genus Necrophorus, in which the species are much more heavily built, narrower, not flattened, and with large heads. These are the true '' burying'' beetles, and derive the name from their habit of excavating beneath small dead animals and gradually sinking them below the surface level. Then the females lay their eggs in and the larvae live upon the buried and decaying creatures. The other carrion beetles make no pretence of burying their prey, but lay their eggs at once, and the larvae feed upon it from below, usually making a short burrow in the soil for shelter, though this is not universal. In both types the larvae are black, flattened, broadly oval, and with
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