Over 56,000 hours of locomotor activity of Taricha granulosa
were recorded using two types of low cylindrical plastic monitoring
chambers. This species shows distinct rhythms of activity under
normal day-night cycles, shortened day-night cycles, constant
darkness (DD) and constant light (LL). The rough-skinned newt is
day active and crepuscular. I...
Published April 1994. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Description of anuran larvae with the use of staging tables is
a common practice in the study of frog life-histories, but there has
been no previous description or table of Ascaphus larvae. In comparing
Ascaphus larvae to a simplified staging table for anurans it
was found that these larvae vary...
Certain insect baculoviruses are occluded in a proteinaceous,
crystalline structure which serves to protect the virus outside its
insect host. Two groups of occluded viruses have been defined: the
nuclear polyhedrosis viruses (NPVs) (Baculovirus Subgroup A), having
many virions occluded per crystal, and the granulosis viruses (GVs)
(Baculovirus Subgroup B),...