Some notes on rearing Poltys (Araneae, Araneidae) in captivity
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Defaecation behaviour of Argiope aurantia (Araneae: Araneidae)
We examined the defaecation behaviour of Argiope aurantia both in natural situations and in a greenhouse. The spiders defaecated more frequently at night than during the day. The nightly pattern of defaecation was not related to time of feeding. A. aurantia displayed at least two distinct behaviours related to defaecation, one of which involved leaving the web. These results are discussed in re...
متن کاملon some bayesian statistical models in actuarial science with emphasis on claim count
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15 صفحه اولNOTES ON SOME SPECIES OF THE GENUS EUPHORBIA IN IRAN
During the study on newly collected and herbarium specimens belonging to the genus Euphorbia, three species, namely, E. gorenfloti, E. cheirolepioides and E. splendida were found to be synonymous with E. chamaepeplus, E. grossheimii and E. decipiens, respectively. Euphorbia sahendi as an interesting and rare species has been recognized after long time again among my material and Euphorbia delto...
متن کاملActivity patterns in different developmental stages and sexes of Larinioides sclopetarius (Clerck) (Araneae, Araneidae)
The foraging behaviour in web building spiders involves: (1) placing the web in the habitat, (2) constructing the web, (3) attacking prey entangled in the web, and (4) ingesting prey (Leborgne et al., 1991). Foraging theory suggests that organisms should exhibit foraging behaviour that optimizes the relationship between benefits and costs (Schoener, 1971; Pyke et al., 1977). The two major benef...
متن کاملFunction of bright coloration in the wasp spider Argiope bruennichi (Araneae: Araneidae).
There are two major competing explanations for the counter-intuitive presence of bright coloration in certain orb-web spiders. Bright coloration could lure insect prey to the web vicinity, increasing the spider's foraging success. Alternatively, the markings could function as disruptive camouflage, making it difficult for the insect prey to distinguish spiders from background colour variation. ...
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ژورنال
عنوان ژورنال: Journal of Arachnology
سال: 2008
ISSN: 0161-8202,1937-2396
DOI: 10.1636/st06-57.1