The Weevils of Canada and Alaska

The Weevils of Canada and Alaska PDF

Author: Donald E. Bright

Publisher:

Published: 1993

Total Pages: 224

ISBN-13:

DOWNLOAD EBOOK →

This monograph includes all species in the families Anthribidae, Apionidae, Attelabidae, Brentidae, Ithyceridae, Nemonychidae, Platypodidae, and Rhynchitidae that occur or may occur in Canada and Alaska. The work includes a key to all the families of Curculionoidea in North America, as well as keys to all genera and species of the families included. Each genus is described. Species entries include a list of synonyms, a description, data on distribution, information on host plants and on other aspects of biology, and diagnostic features. Distribution maps and illustrations of taxonomic characters for a number of species are included, as well as habitus illustrations of representative species.

The Orb-weaving Spiders of Canada and Alaska

The Orb-weaving Spiders of Canada and Alaska PDF

Author: Charles D. Dondale

Publisher: NRC Research Press

Published: 2003

Total Pages: 384

ISBN-13: 9780660188980

DOWNLOAD EBOOK →

Orb-weaving spiders spin the wheel-shaped webs often seen on dewy mornings in meadows and hedges, or on the walls and the eaves of buildings. This manual provides descriptions, illustrations, and taxonomic keys for the identification of the 94 species of these spiders represented in Canada and neighbouring regions.

Lanterna Rally - Theme by Grace Themes