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Echthrodelphax migratorius Benoit

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Chrysidoidea; Family: Dryinidae; Subfamily: Gonatopodinae; Genus: Echthrodelphax)

Echthrodelphax migratorius Benoit, 1954. Holotype: female in Muséum national d'Histoire naturelle, Paris (MNHN). Type locality: Bekily, Madagascar.


Female


Male

 


Adult host Megamelus scutellaris, biocontrol agent against water hyacinth, Pontederia crassipes (Martius) [= Eichhornia crassipes Mart. (Solms)] (Pontederiaceae).


Nymph of Megamelus scutellaris, parasitized by two E. migratorius larvae encased in the externally visible thylacia.


E. migratorius immature larva encased in thylacium.

 


 

Distribution

Botswana, Burkina Faso, Cameroon, Cape Verde Is., Democratic Republic of Congo, Ivory Coast, Kenya, Madagascar, Mali, Mozambique, Niger, Senegal, Sierra Leone, Somalia, South Africa, Tanzania, Uganda, Yemen, Zimbabwe. Also Palaearctic region: Egypt, Oman, United Arab Emirates.

Biology

Hosts: Delphacidae, Delphacinae: in Egypt: nymphs of Sogatella furcifera (Horváth) and S. vibix (Haupt); in Mozambique: Sogatella petax Fennah (Guglielmino et al. 2013); in South Africa: Megamelus scutellaris Berg (reared from Megamelus scutellaris colonies of Neotropical origin (imported from Argentina via USA) that are being mass reared at Rhodes University in Grahamstown for biocontrol against water hyacinth, Pontederia crassipes (Martius) [= Eichhornia crassipes Mart. (Solms)] (Pontederiaceae)) (Kraus, Coetzee, van Noort & Olmi, in press).

References

Azevedo C.O., Madl, M. & Olmi, M. 2010. A Catalogue of the Bethylidae, Chrysididae, Dryinidae, Embolemidae, Sclerogibbidae and Scolebythidae (Hymenoptera: Chrysidoidea) of the Malagasy Subregion. Linzer Biologische Beitrage 42(2): 845-918.

Benoit, P.L.G. 1954. Monographie des Dryinidae malgaches (Hym.-Acul.). Mémoires de l'Institut Scientifiques de Madagascar, Série E 4: 383-430.

Guglielmino A, Olmi M, Bückle C. 2013. An updated host-parasite catalogue of world Dryinidae (Hymenoptera: Chrysidoidea). Zootaxa 3740: 1–113. doi: 10.11646/zootaxa.3740.1.1

Hendawy, A. 2001. Egg and nymphal parasitoids of Rice Leafhoppers and Planthoppers in Egypt. Proceedings of the First Conference of Safe Alternatives of Pesticides for Pest Management, Faculty of Agriculture, Assiut University, Egypt, 28–29 October 2001, 251–260.1.

Kraus EC, Coetzee J, van Noort S & Olmi M. 2019. First record of an indigenous South African parasitoid wasp on an imported biological control agent, the water hyacinth hopper. Biocontrol Science & Technology https://doi.org/10.1080/09583157.2019.1660306

Olmi, M. 1984. A Revision of The Dryinidae (Hymenoptera). Memoirs of the American Entomological Institute 37: 1-947.

Olmi, M. & van Harten, A. 2000. Notes on Dryinidae, Embolemidae and Sclerogibbidae (Hymenoptera: Chrysidoidea) of Yemen, with keys to the species of the Arabian Peninsula. Fauna of Arabia, 18: 253-271.

Olmi, M. &  van Harten, A. 2006. Dryinidae, Sclerogibbidae and Embolemidae (Hymenoptera: Chrysidoidea) of Yemen, with revised keys to the species of the Arabian peninsula. Fauna of Arabia 21: 307–337.

Olmi, M. & Copeland, R.S. & Guglielmino, A. 2015. An updated checklist of Dryinidae, Embolemidae and Sclerogibbidae (Hymenoptera) of Kenya and Burundi, with descriptions of thirteen new species. Acta Entomologica Musei Nationalis Pragae 55(1): 333-380.

Olmi, M., van Noort, S. & Guglielmino, A. 2016. Contribution to the knowledge of Afrotropical Dryinidae, Embolemidae and Sclerogibbidae (Hymenoptera) with description of new species from Central African Republic and Uganda. ZooKeys 578: 45-95.

Credits

Photographs and map illustration © Simon van Noort (Iziko Museums of South Africa).

Illustrations © Luca Palermo, or © Nicolò Falchi.

Line illustrations © Massimo Olmi (Viterbo).


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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