P.J. van Helsdingen

Sexual behaviour of Lepthyphantes leprosus (Ohlert) (Araneida, Linyphiidae), with notes on the function of the genital organs

P.J. van Helsdingen · Zoölogische mededelingen/Zo¨ologische mededelingen · 1965 · 72 citations

Breeding Behavior, Entomology, Sexual Selection +17

A reclassification of the species of Linyphia latreille based on the functioning of the genitalia (Araneida, Linyphiidae) Part I. Linyphia Latreille and Neriene Blackwall

P.J. van Helsdingen · Zoölogische verhandelingen · 1969 · 39 citations

Biology, Morphological Evidence, Animal Taxonomy +14

Changes in ranges: invertebrates on the move. Proceedings of the 13th International Colloquium of the European Invertebrate Survey, Leiden, 2-5 September 2001

Menno Reemer, P.J. van Helsdingen, R.M.J.C. Kleukers · Data Archiving and Networked Services (DANS) · 2003 · 12 citations · Full text

Biology, Biodiversity, 2-5 September 2001 +10

An account of money Spiders from down under (Araneida, Linyphiidae)

P.J. van Helsdingen · Zoölogische mededelingen/Zo¨ologische mededelingen · 1972 · 10 citations

Biology, Terrestrial Arthropod, Biodiversity +14