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Journal article
Description and phylogenetic placement of Dorrigocosa, a new genus of Venoniinae (Araneae: Lycosidae) from Australia
Zoologischer Anzeiger, Vol.324, pp.45-52
2026
Abstract
A new monotypic genus of lycosids Dorrigocosagen. nov. and the type species D. framenauisp. nov. are described from the montane rainforests of eastern Australia. Phylogenetic analysis using nuclear and mitochondrial markers places Dorrigocosa within Venoniinae as a sister lineage to Anomalosa. The genus is distinguished from Venonia and Anomalosa by a set of somatic and genitalic characters, including a distinct colour pattern, the basal segment of the posterior spinnerets not elongated, a male palp with a sclerotized median apophysis and an epigyne with semicircular copulatory ducts. These small spiders are rainforest specialists, constructing silk retreats within decaying logs. Specimens were found exclusively from the highly restricted, isolated rainforests of Dorrigo National Park, New South Wales. Photographic records from the citizen science platform iNaturalist from nearby localities further support a strong association with this threatened habitat.
•New lycosid genus Dorrigocosagen. nov. and its type species D. framenauisp. nov. are described.•Molecular data place Dorrigocosa as sister lineage to Anomalosa within Venoniinae.•The genus is diagnosable by a set of somatic and genitalic traits.•The species is a rainforest specialist.
Details
- Title
- Description and phylogenetic placement of Dorrigocosa, a new genus of Venoniinae (Araneae: Lycosidae) from Australia
- Authors/Creators
- André Wanderley do Prado - Harry Butler Institute, Murdoch University, 90 South St, Murdoch, Western Australia 6150, AustraliaLuis Norberto Piacentini - Bernardino Rivadavia Natural Sciences Museum
- Publication Details
- Zoologischer Anzeiger, Vol.324, pp.45-52
- Publisher
- Elsevier GmbH.
- Number of pages
- 8
- Identifiers
- 991005904077107891
- Copyright
- © 2026 The Authors.
- Murdoch Affiliation
- Harry Butler Institute
- Language
- English
- Resource Type
- Journal article
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