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Gnaphosidae  Pocock, 1898 / Chatzakia  Lissner & Bosmans, 2016   1 species

Chatzakia balearica  Lissner, 2016

Description
Male

Chelicera with finely serrated, retromarginal keel.
Eyes, except posterior medians, distinctly ringed with black
Eyes relatively large, separated by less than half width of eye diameter, posterior medians closer to posterior lateral eyes than to each other, lateral eyes of both rows larger than medians.
Sternum scutiform, not projecting between coxae IV. Coxae I and IV clearly longer than others.
Leg formula: IV-I-II-III. Abdomen of male with three pairs of apodemes; without scutum.
Three or four piriform spigots on anterior lateral spinnerets. All patellae with dorsal, slender macrosetae; retrolateral macrosetae absent.
No thick spines nor spine-like macrosetae on any patella.

Carapace yellow-brown, darkened at margins. Fovea short but distinct. Two prominent striae run from fovea to lateral eyes, forming two convex dark lines; faint reticulation of head region visible in preserved specimen.
Carapace covered with sparse, yellow-brown hairs; body and legs furnished with transparent brachiate setae appressed to cuticle.

Male palp simple, with short tibial apophysis and robust embolus arising from median part of bulbus; tegular and median apophyses absent.

Body length male: 3.6–4.8 mm
Female

see male.

Epigyne with large groove and anterior hood.

Body length female: 4.0–5.1 mm
Additional information

Characteristics of the genus:
Posterior eye row just slightly longer than anterior row.
All patellae with an apical macroseta in the dorsal midline and a smaller one in a basal position, without lateral or ventral macrosetae.
Body and legs with brachiate setae with 5–6 pairs of brachia originating only on basal half of the stem; 4) epigyne with a hood.
Male without scutum. Male palp simple, with embolus arising medially, not bearing median apophysis. Cymbium without strong spines.

 

On the forest floor of pine forests, also on a rock steppe with scattered grass tussocks. 500m.

Frequency: Rarely found

Distribution
  Presence
  No data
Global distribution (WSC 2021): Spain (Balearic Is.)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Spain / Balearic Islands   (Branco et al., 2019) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Lissner J, Bosmans R, Hernández-Corral J (2016a) Description of a new ground spider from Majorca, Spain, with the establishment of a new genus Chatzakia n. gen. (Araneae: Gnaphosidae). Arachnology 17: 142-146 pdf

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Updates
25-12-2016 Datasheet update Detail
12-12-2016 Image insert
12-12-2016 Distribution update Detail