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Echthromorpha spinator Fabricius

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Ichneumonoidea; Family: Ichneumonidae; Subfamily: Pimplinae; Genus: Echthromorpha)

Echthromorpha spinator Fabricius, 1798. Holotype: in Muséum national d'Histoire naturelle, Paris (MNHN) (MNHN). Type locality:

Distribution

Mauritius, Reunion.

Biology

Host: Nagia linteola (Lepidoptera: Noctuidae) (Rousse & Villemant, 2012).

Diagnosis

This species is mostly characterized by the densely punctate mesosoma and the black spot on apex of fore wing, making it distinct from the other members of the E. agrestoria complex (Rousse & Villemant, 2012).

Comments

Most of this genus is confined to the Pacific region, but some species like E. agrestoria are widespread outside of this area (Rousse & Villemant, 2012). The ability of this species to colonize small islands has resulted in the evolution of local types whose taxonomic status is discussed by Gauld (1984). Since these fragmented populations still share the same basic coloration and sculptural pattern, Townes (1958) treated them as subspecies of E. agrestoria Swederus. Within the E. agrestoria species group of the Malagasy subregion it appears that E. spinator forms a homogeneous group, including the former E. agrestoria macula (Brullé) of Reunion and E. agrestoria spinator (Fabricius) of Mauritius (Madl, pers. com.; Rousse & Villemant, 2012).

References

Gauld, I.D. 1984. An introduction to the Ichneumonidae of Australia. British Museum of Natural History, London, UK, 413 pp.

Holmgren, A.E. 1868. Hymenoptera. Species novas descripsit. Kongliga Svenska Fregatten Eugenies Resa omkring jorden. Zoologi. 6:391-442.

Rousse, P. & Villemant, C. 2012. Ichneumons in Reunion Island: a catalogue of the local Ichneumonidae (Hymenoptera) species, including 15 new taxa and a key to species. Zootaxa 3278: 1–57.

Townes, H.K. 1958. Hymenoptera: Ichneumonidae, Stephanidae, and Evaniidae. Insects of Micronesia, 19(2), 35–87.

Yu D.S., van Achterberg, K., Horstmann, K. 2011. World Ichneumonoidea 2011. Taxonomy, biology, morphology and distribution. Available from Vancouver, Canada: Taxapad. www.taxapad.com

Credits

Photographs by Agnièle Touret-Alby © MNHN (specimens database http://coldb.mnhn.fr).

Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2021. WaspWeb: Hymenoptera of the Afrotropical region. URL: www.waspweb.org (accessed on <day/month/year>).

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