Heser
Tuneva, 2004
Heser is a of ground (Gnaphosidae) in the Zelotes group, established in 2004. The genus comprises 11 of small to -sized spiders distributed across Africa, Asia, Europe, and North America. Several species have been to the United States and Mexico. The species is Heser malefactor from Kazakhstan.
Pronunciation
How to pronounce Heser: /ˈhe.sɛɾ/
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Identification
Distinguished from related by preening on III and IV. Male Heser stoevi can be distinguished from H. aradensis by a longer , smaller and flattened , and lack of . Females have well-developed leading to coiled insemination ducts connected with coiled .
Images
Habitat
H. stoevi found under stones in arid grassland at elevations of 860-1150 m in the Koytendag Mountains, Turkmenistan. Other occur in diverse terrestrial habitats across their range.
Distribution
to Africa, Asia, Europe, and North America. Specific records include: Israel (H. aradensis, H. hierosolymitanus), Spain and Algeria (H. bernardi, H. bonneti), Spain (H. hispanus), Tanzania, Egypt, and Israel (H. infumatus), Kazakhstan (H. malefactor), Mediterranean region and Canary Islands with introductions to USA and Mexico (H. nilicola), Spain, Madeira, and Canary Islands with introductions to USA (H. schmitzi), Turkmenistan (H. stoevi), and India (H. vijayanagara).
Human Relevance
H. nilicola and H. schmitzi have been to the United States; H. nilicola also introduced to Mexico. No documented economic or medical significance.
Similar Taxa
- ZelotesBoth belong to the Zelotes group of Gnaphosidae; Heser distinguished by preening on III and IV
- Heser aradensisH. stoevi is morphologically close but differs in male structure and female copulatory organs