. Bulletin - United States National Museum. Science. BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [44] consideratious, and also because the Coleoptera then retreat more deeply into the ground and can not be found so easily as when the ground is free from frost. Other good collecting places in winter are the accumulated old leaves along the edges of forests or under the shrubbery along water courses, thick layers of moss, and the loose bark of dead or dying trees, and, finally, also under the bark of certain living trees, e. g. Pines, Sycamore, Shellbark Hickory. Digging in the ground at the bas
. Bulletin - United States National Museum. Science. BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [44] consideratious, and also because the Coleoptera then retreat more deeply into the ground and can not be found so easily as when the ground is free from frost. Other good collecting places in winter are the accumulated old leaves along the edges of forests or under the shrubbery along water courses, thick layers of moss, and the loose bark of dead or dying trees, and, finally, also under the bark of certain living trees, e. g. Pines, Sycamore, Shellbark Hickory. Digging in the ground at the base of large trees or rocks also yields good returns. The only instruments necessary for winter collecting are the sieve, the chisel, and the trowel. Spring Collecting.—With the first days of spring, collecting becomes a little more varied. The methods used for winter collecting can still be continued with good success. Certain spring flowers, notably AVillow blossoms, will furnish many valu- able species, which are not seen again during the rest of the season. MyrmecopMlous and TermitopMlous species.—The early spring is also the best time for collecting the Myrmecophilous and Termitophilous Coleoptera. Termitophilous. species have in North America hitherto been found only in connection with the White- ants (Termes jiavipes), and the inquilinous beetles are found running among the White- ants in the colonies under stones, loose bark of trees, and more numer- ously in the interior of old infested trees. Myrmecophilous Coleoptera are by far more numerous in species than the Termitophilous species and are found among many species of ants which have their nests either under stones or loose bark of trees, in stumps or logs, or wliich con- struct larger or smaller hills. Upon uncovering a colony of ants under a stone, the underside of the latter as well as the galleries of the ants in the ground should be carefully examined for inquilines, which from their greater or slighter resem
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