
1. DISTRIBUTION
Episyron rufipes [Soortenregister] is a common wasp throughout the Netherlands [Peeters et al. 2004].
2. BEHAVIOUR
2.1. ACTIVITY
The species is active from May to September [Peeters et al. 2004],[Waarneming.nl].
2.2. DEVELOPMENT
The species produces two generations per year. Nests are made in the ground [Peeters et al. 2004].
Prey consist of spiders of the genus Orb-weaver spiders (Araneidae) [Peeters et al. 2004] gebruikt.
3. IDENTIFICATION
A midsized wasp: length male 6-9 mm, female 8-13 mm [Peeters et al. 2004].
The characteristics of the genus Episyron are [Nieuwenhuijsen 2008]:
1. Edge hindleg with crown of thorns of unequal size and unequal spacing between them
2. 2nd discoidal cel on frontwing with protrusion on proximal side
3. Inner eye edges bottom half diverge slightly

Characteristics of the species are [Nieuwenhuijsen 2008]:
Males
- Pterostigma narrow
2. Temple narrower than half the width of the eye, seen from aside
3. Pubescense and scales silver colored
Females
1. Inneredge eye with yellow spot or stripe
2. Antennal segment 3 is 4,5 times long as wide
3. Sides tergites 3 and 4 often with white spots [2]
4. Clypeus, head covered with silver pubescense
5. First tarsal member leg 1 usually with 4 teeth
6. Legs 2 and 3 red, leg 1 usually darker
Literature
Nieuwenhuijsen 2008 Nieuwenhuijsen, H., 2008. De spinnendoders van Nederland (Hymenoptera: Pompilidae). Jeugdbondsuitgeverij.Peeters et al. 2004 Peeters, T.M.J., C. van Achterberg, W.R.B. Heitmans, W.F. Klein, V. Lefeber, A.J. van Loon, A.A. Mabelis, H. Nieuwen-huijsen, M. Reemer, J. de Rond, J. Smit, H.H.W. Velthuis, 2004. De wespen en mieren van Nederland (Hymenoptera: Aculeata). – Nederlandse Fauna 6. Nationaal Natuurhistorisch Museum Naturalis, Leiden, knnv Uitgeverij, Utrecht & European Invertebrate Survey – Nederland, Leiden.
Soortenregister Nederlands Soortenregister
Waarneming.nl Waarneming.nl
Citation
Krischan, O.R., 2025. Episyron rufipes. Kerfdier, www.kerfdier.nl. Accessed on [date month year].