And recommendations. pp. 67.

Excerpt from The Genus Calosoma: Including Studies of Seasonal Histories, Habits, and Economic Importance of American Species North of Mexico and of Several Introduced Species After hatching, the young larvae, which are white at first, rapidly grow darker in color. They remain in the location where the eggs were deposited until they reach their permanent color which-varies from brown to' black, and in from one to three hours begin to move toward the surface Of the ground. When confined in jars, if food is not found readily, the more active specimens frequently feed on those that are weaker or less active. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

History of the genus calosoma; General seasonal history of species of the genus calosoma; Number of generations of calosoma; Food; Habits; Economic importance.

This publication provides a comprehensive review of the nomenclature and distribution of the Geadephaga of America, north of Mexico. Overall 2439 valid species-group taxa in 208 genera are catalogued along with their synonyms. Besides the usual information pertaining to author(s), date and page of publication, the type locality, location of name-bearing type, first reference establishing each synonym, and etymology for many patronymic names are provided for species-group names. Genus-group names are listed with the author(s), year of publication, page citation, type species with manner of fixation and etymology for most. The geographical distributions of all species-group taxa are briefly summarized and their state and province records are indicated. About 2500 references are listed with publication dates for many in order to assess priority of names.Several new nomenclatural acts are introduced including one new genus-group taxon, one new replacement name, three changes in precedence, five new genus-group synonymies, 65 new species-group synonymies, one new species-group status, and 12 new combinations.The work includes also a discussion of the notable private North American carabid collections, a synopsis of all extant world geadephagan tribes and subfamilies, a brief faunistic assessment of the fauna, a list of North American fossil Geadephaga, a list of North American Geadephaga larvae described or illustrated, a list of species described from specimens mislabeled as from North America, and a list of unavailable names listed from North America.

A thorough update of Arnett's The Beetles of the United States, American Beetles, Volumes I and II cover the genera of beetles that occur in Alaska, Canada, and the contiguous United States. Built on the foundation of the original work and almost completely rewritten with contributions from more than 60 coleopterists, these volumes describe each fa