Thyreosthenius biovatus (O. Pickard-Cambridge, 1875)
Description
Male
Male palp with 2 ± equally long tibial apophyses.
Prosoma yellow-brown, male: with very high bipartite spheroidal cephalic lobe. Legs yellow-orange. Opisthosoma light grey.
Female
Epigyne ± quadrangular, reaching beyond epigastric furrow.
Body length female: 1.8-2.2 mmDistribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Wiehle 1960a)
Pedipalp
(Roberts 1987)
Pedipalp
(Locket & Millidge 1953)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Tibial apophysis
(Wiehle 1960a)
Tibial apophysis
(Locket & Millidge 1953)
Prosoma, lateral view
(Roberts 1987)
Prosoma
(Locket & Millidge 1953)
Prosoma, lateral view
(Løvbrekke unpubl.)
Ocular area, dorsal view
(Locket & Millidge 1953)
Epigyne
(Wiehle 1960a)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Castellucci et al. 2023)
Vulva
(Wiehle 1960a)
Vulva
(Løvbrekke unpubl.)
Eyes, frontal view
(Løvbrekke unpubl.)
Leg I
(Løvbrekke unpubl.)
Tibia III
(Løvbrekke unpubl.)
Prosoma, lateral view
(Wiehle 1960a)
Prosoma, dorsal view
(Wiehle 1960a)
Eyes, dorsal view
(Roberts 1987)
Distribution List
References
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Bračko G, Kostanjšek R (2024) First records of the myrmecophilous spider Thyreosthenius biovatus (O. Pickard-Cambridge, 1875) for Slovenia and new Slovenian records for the myrmecophilous spider Mastigusa arietina (Thorell, 1871). Natura Sloveniae 26: 17-28
Castellucci F, Schifani E, García F, Luchetti A, Scharff N (2023) First record of the genus Thyreosthenius (Araneae: Linyphiidae) from the Iberian Peninsula with notes on the host preference of the myrmecophilic T. biovatus. Arachnologische Mitteilungen 65: 27-30
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