High local species richness of parasitic wasps (Hymenoptera: Ichneumonidae; Pimplinae and Rhyssinae) from the lowland rainforests of Peruvian Amazonia
Version of Record online: 24 NOV 2004
Volume 29, Issue 6, pages 735–743, December 2004
How to Cite
Sääksjärvi, I. E., Haataja, S., Neuvonen, S., Gauld, I. D., Jussila, R., Salo, J. and Burgos, A. M. (2004), High local species richness of parasitic wasps (Hymenoptera: Ichneumonidae; Pimplinae and Rhyssinae) from the lowland rainforests of Peruvian Amazonia. Ecological Entomology, 29: 735–743. doi: 10.1111/j.0307-6946.2004.00656.x
- Issue online: 24 NOV 2004
- Version of Record online: 24 NOV 2004
- Accepted 18 June 2004
- anomalous latitudinal diversity gradient;
- local species richness;
- lowland rainforest;
- non-parametric species richness estimating;
Abstract. 1. The parasitic wasp family Ichneumonidae (Hymenoptera) is of great interest because it has been claimed that its species richness does not increase with decreasing latitude.
2. No extensive studies of the family have been conducted in South American localities.
3. Arthropods were sampled using 27 Malaise traps in the Allpahuayo–Mishana National Reserve (56 000 ha) in the north-eastern Peruvian Amazonian lowland rainforest. The total duration of the sampling programme was 185 Malaise trap months.
4. Altogether, 88 species were collected. This is one of the highest local pimpline and rhyssine species numbers ever recorded. A comparison with results from Mesoamerica revealed that at equal numbers of individuals sampled, the number of Pimplinae and Rhyssinae species in Peruvian Amazonia is at least twofold compared with lowland locations in Mesoamerica and somewhat higher than in the most species-rich Costa Rican higher altitude localities.
5. Non-parametric methods of estimating species richness were applied. These suggest that additional sampling would yield a considerable number of new Pimplinae and/or Rhyssinae species.