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Comparative Study Of Spinning Field Development In Two Species Of Araneophagic Spiders (Araneae, Mimetidae, Australomimetus), Mark A. Townley, Danilo Harms
Comparative Study Of Spinning Field Development In Two Species Of Araneophagic Spiders (Araneae, Mimetidae, Australomimetus), Mark A. Townley, Danilo Harms
Molecular, Cellular & Biomedical Sciences
External studies of spider spinning fields allow us to make inferences about internal silk gland biology, including what happens to silk glands when the spider molts. Such studies often focus on adults, but juveniles can provide additional insight on spinning apparatus development and character polarity. Here we document and describe spinning fields at all stadia in two species of pirate spider (Mimetidae: Australomimetus spinosus, A. djuka). Pirate spiders nest within the ecribellate orb-building spiders (Araneoidea), but are vagrant, araneophagic members that do not build prey-capture webs. Correspondingly, they lack aggregate and flagelliform silk glands (AG, FL), specialized for forming prey-capture …