Growth and Nest Hole Size Preferences in Immature Southern House Spiders (Araneae: Filistatidae): Are They Constrained Consumers?

Carrel, James E.

doi:10.1653/024.098.0162

Cited by 3 publications

(1 citation statement)

References 6 publications

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“…Badumna longinqua (Desidae) builds funnel-shaped webs with exposed ladders to capture prey; new sticky ladders are regularly added to enlarge the web [43]. The distinctive flat, tangled webs of Kukulcania hibernalis (Filistatidae) are often built in relatively sheltered sites and new threads are added without ever removing parts of the old web [44] (Figure 1).…”

Section: Introductionmentioning

confidence: 99%

Age-Resilient Stickiness of Capture Threads

Meyer

Joel

2023

Arthropoda

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Typical orb webs with glue droplets are renewed regularly, sometimes multiple times per night. Such behaviour, however, is rarely found with cribellate spiders. The adhesive portion of their capture threads consist of nanofibres instead of glue, and the fibres interact with the cuticular hydrocarbons (CHCs) of their insect prey for adhesion. Many of these spiders often only add new threads to their existing webs instead of completely reconstructing them. In testing the adhesion force of aged capture threads of three different cribellate species, we indeed did not observe an overall decline in adhesion force, even after a period of over a year. This is in line with the (formulated but so far never tested) hypothesis that when comparing gluey capture threads to nanofibrous ones, one of the benefits of cribellate capture threads could be their notable resistance to drying out or other ageing processes.

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Section: Introductionmentioning

confidence: 99%

Age-Resilient Stickiness of Capture Threads

Meyer

Joel

2023

Arthropoda

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Insights into reproductive strategies of Tityus (Archaeotityus) pusillus Pocock, 1893 (Scorpiones, Buthidae)

Albuquerque

Lira

2016

Comptes Rendus. Biologies

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A remarkable diversity of life history strategies has evolved among species for achieving reproductive success, including adaptive growth, protandry, iteroparity, and extra molting. Here, we report on the reproductive strategies of the litter-dwelling scorpion, Tityus (Archaeotityus) pusillus, the most abundant and widespread scorpion species in the Atlantic Forest of northeastern Brazil. We observed both iteroparity and protandry reproductive strategies in this species. Females were competent to produce up to three broods after a single insemination, and no correlation between female size and litter size was observed. Most males reached adulthood 1 month before females following four molts, characterizing protandry. Nevertheless, an extra molt was observed to occur in some males (n=4) and females (n=1). These findings highlight the life history traits of T. (A.) pusillus, which may imply in reproductive success and adaptation to changes in environmental conditions.

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