The predatory strategy, natural diet, and life cycle of<i>Cyrba algerina,</i>an araneophagic jumping spider (Salticidae: Spartaeinae) from Azerbaijan

Guseinov, Elchin F.; Cerveira, Ana M.; Jackson, Robert R.

doi:10.1080/03014223.2004.9518382

Cited by 29 publications

(20 citation statements)

References 27 publications

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“…For away-from-nest encounters, one oecobiid was put in a transparent plastic Petri dish (diameter 85 mm, height 12.5 mm) and then, 30 min later, a test spider (C. algerina) was introduced. This corresponded to the way encounters with oecobiids outside nests were staged in the earlier study of the Baku C. algerina (Guseinov et al 2004). However, for staging encounters at nests, we particularly wanted to observe C. algerina's initial reaction upon detecting an oecobiid inside a nest.…”

Section: Methodsmentioning

confidence: 97%

“…The rationale for considering oecobiids in particular is an earlier study in which it was shown that C. algerina from a population in Baku (Azerbaijan) uses specialised preycapture behaviour during encounters with Oecobius maculatus, this being an especially common prey species in Baku (Guseinov et al 2004). Preliminary field work in Portugal revealed a striking difference between two sites.…”

Section: Introductionmentioning

confidence: 96%

“…In the earlier research on the Baku C. algerina, olfaction was not considered. However, field observations suggest that C. algerina forages especially under or on the sides of stones on the ground (Jackson and Hallas 1986b;Jackson 1990;Guseinov et al 2004), this being a microhabitat where ambient light levels are probably low in comparison to the sunlit habitats most often associated with salticids (Richman and Jackson 1992). Predation under dim light suggests that C. algerina may be a salticid for which reliance on olfactory cues from prey is especially important.…”

Section: Introductionmentioning

confidence: 98%

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Interpopulation variation in kairomone use by Cyrba algerina, an araneophagic jumping spider from Portugal

Cerveira

Jackson

2010

J Ethol

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Geographic variation in a predator's reliance on kairomones from prey was investigated. The predator studied, Cyrba algerina, is an araneophagic (spider-eating) jumping spider (Salticidae) and the prey were oecobiid spiders (Oecobiidae). There were two study sites (Sintra and Tavira), both in Portugal. Oecobius machadoi was a common oecobiid in Sintra, but no oecobiids were found in Tavira. Staged encounters showed that oecobiid-specific prey-capture behaviour was adopted by the C. algerina in Sintra but not in Tavira. In experiments using a Y-shaped olfactometer, significantly more Sintra C. algerina individuals chose the side with oecobiid odour instead of the blank side when the odour came from females of a sympatric species (O. machadoi), but not when the odour came from O. machadoi males or from females of an allopatric species (O. amboseli). Regardless of whether the odour came from O. machadoi or O. amboseli, the Tavira C. algerina did not choose the odour side significantly more often than the blank side. These findings suggest that, in Sintra, C. algerina is locally adapted to a locally abundant oecobiid species. Whether this example of geographic variation in kairomone use is a behavioural ecotype or instead an instance of phenotypic plasticity is currently unknown.

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Section: Methodsmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 98%

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Interpopulation variation in kairomone use by Cyrba algerina, an araneophagic jumping spider from Portugal

Cerveira

Jackson

2010

J Ethol

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“…Like P. africana juveniles, C. algerina settles beside nests occupied by oecobiids, intermittently probing or striking the nest and capturing the oecobiid either as it leaves the nest or later when it returns to the nest (Cerveira and Jackson 2011;Guseinov et al 2004). However, P. africana juveniles differ from C. algerina by practising communal predation, suggesting that communal predation may favour ability to base foraging decisions on particularly fine detail.…”

Section: Innate Predatory Versatilitymentioning

confidence: 99%

Attending to detail by communal spider-eating spiders

Jackson

Nelson

2012

Anim Cogn

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Communal predators may often need to make especially intricate foraging decisions, as a predator's success may depend on the actions of its neighbours. Here,we consider the decisions made by Portia africana, a jumping spider (Salticidae) that preys on other spiders, including Oecobius amboseli (Oecobiidae), a small prey spider that lives under small sheets of silk (nests) on the walls of buildings. P. africana juveniles settle near oecobiid nests and then ambush oecobiids as they leave or enter the nest. Two or more P. africana juveniles sometimes settle at the same nest and, when an oecobiid is captured, the P. africana juveniles may share the meal. We investigated the joining decisions made by naïve P. africana juveniles. Experiments were based on using lures (dead spiders positioned in lifelike posture) arranged in a series of 17 different scenes defined by the presence/absence of a nest, the lure types present and the configuration of the lures and the nest. Our findings imply that P. africana juveniles make remarkably precise predatory decisions, with the variables that matter including whether a nest is present, the identity of spiders inside and outside a nest and how spiders are positioned relative to each other and the nest.

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“…The present paper, deals with Menemerus taeniatus (L. Koch, 1867), and is part of a project on the prey of Palaearctic jumping spiders (Guseinov, 2004(Guseinov, , 2005Guseinov et al, 2004). M. taeniatus is a relatively large salticid (adult body length 8-10 mm), with adult males usually slightly smaller than adult females.…”

Section: Introductionmentioning

confidence: 99%

Natural prey of the jumping spider Menemerus taeniatus (Araneae: Salticidae)

Huseynov¹

2005

Eur. J. Entomol.

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Abstract. The natural prey of the jumping spider Menemerus taeniatus (L. Koch, 1867) was studied on the Absheron Peninsula, Azerbaijan. The percentage of specimens of M. taeniatus found feeding was low (10.7%). This investigation showed that M. taeniatus is a polyphagous predator feeding on a wide range of arthropods, including representatives of eight arthropod orders. The primary food of M. taeniatus was Diptera and Lepidoptera, which collectively made up about two thirds of total prey. The length of prey killed by M. taeniatus ranged between 1.10 and 13.00 mm (mean 6.14 mm), which is between 15.2 and 216.7% (mean 90.3%) of the length of their captors. Most frequently taken prey (50%) were medium-sized arthropods varying between 50-100% of the spiders' body length.

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The predatory strategy, natural diet, and life cycle ofCyrba algerina,an araneophagic jumping spider (Salticidae: Spartaeinae) from Azerbaijan

Cited by 29 publications

References 27 publications

Interpopulation variation in kairomone use by Cyrba algerina, an araneophagic jumping spider from Portugal

Interpopulation variation in kairomone use by Cyrba algerina, an araneophagic jumping spider from Portugal

Attending to detail by communal spider-eating spiders

Natural prey of the jumping spider Menemerus taeniatus (Araneae: Salticidae)

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