Use crepuscular in a Sentence ... Zoology. appearing or active in the twilight, as certain bats and insects. ... Zoology Becoming active at twilight or before sunrise, as do bats and certain insects and birds.
dictionary.reference.com/browse/crepuscular dictionary.reference.com/browse/crepuscular
I've been through their checkout and noted its resemblance to Hades - the crepuscular gloom, the dungeon lighting, ... In the crepuscular lobby, a broad circle of monitors laid on their backs on the floor blinked up at a laser show spiraling across a tentlike scrim stretched just below the building's blacked-out skylight.
dictionary.reference.com/wordoftheday/archive/2005/11/2... dictionary.reference.com/wordoftheday/archive/2005/11/23.html
Is this also true for crepuscular insects that are active at intermediate intensities? To test this hypothesis, the visual performance of two closely related butterflies, the diurnal blue morpho Morpho peleides and the crepuscular owl butterfly Caligo memnon, were compared.
jeb.biologists.org/cgi/content/abstract/211/6/844
European Nightjar - Wikipedia, the free encyclopedia
The European Nightjar , or just Nightjar , Caprimulgus europaeus , is the only representative of the nightjar family of birds in most of Europe and temperate Asia. It is a late migrant, seldom a...
en.wikipedia.org/wiki/European_Nightjar
Crepuscular - Wikipedia, the free encyclopedia
Crepuscular is a term used to describe some animals that are primarily active during twilight, that is at dawn and at dusk. The word is derived from the Latin word crepusculum , meaning "twilight."
en.wikipedia.org/wiki/Crepuscular
The light intensity control is especially useful for behavioral studies of crepuscular insects. ... The device should make it practical to study the behavior of many crepuscular insects. REFERENCES CITED; Ball, H. J., and M. F. B. Chaudhury. 1973. Photic entrainment of circadian rhythms by illumination of implanted...
www.chemical-ecology.net/papers/aesa83.htm
g. c. lewis. 2. (zo?l.) flying in the twilight or evening, or before sunrise; -- said certain birds and insects. others feed only in the twilight, as bats and owls, and are called crepuscular. ... crepuscular of or pertaining to the twilight, dim, dusky, twilit. active in twilight(crepuscular insects)
dictionary.babylon.com/crepuscular dictionary.babylon.com/crepuscular
An introduction to the nature of diffewrent life cycles in Insects ... Some insects are only active during the twilight zones at dawn and dusk, we have a special word for these sorts of insects which is 'crepuscular'.
www.earthlife.net/insects/lifecycles.html www.earthlife.net/insects/lifecycles.html
Alderflies are fairly rare insects resembling lacewings but distinguished, in the adult, from the wing venation which lacks forking at the terminal ends. They are crepuscular or nocturnal insects found near water, and often sluggish.
home.vicnet.net.au/~vicento/educ.htm
best opportunities for observations on those crepuscular insects, and these times were mostly spent at camp. There were, however, two other rather unusual ...
www.famu.org/mayfly/pubs/pub_n/pubneedhamj1925p110.pdf
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