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Echthrodesis lamorali Masner

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Platygastroidea; Family Scelionidae; Subfamily: Scelioninae; Genus: Echthrodesis)

Echthrodesis lamorali Masner, 1968. Holotype: in Natal Museum, Pietermaritzburg (NMSA). Type locality: The Island, Kommetjie, South Africa.




Echthrodesis_lamorali_female_head_frontal Echthrodesis_lamorali_female_head_mesosoma_dorsal



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

Echthrodesis_lamorali_SAM-HYM-P030893_male_habitus_dorsal Echthrodesis_lamorali_SAM-HYM-P030893_male_habitus_lateral
images/Echthrodesis_lamorali_SAM-HYM-P030893_male_head_frontal_330.jpg images/Echthrodesis_lamorali_SAM-HYM-P030893_male_head_mesosoma_dorsal_330.jpg
Echthrodesis_lamorali_SAM-HYM-P030893_male_head_mesosoma_lateral Echthrodesis_lamorali_SAM-HYM-P030893_male_aedeagus

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

Female laying her eggs into the eggs of the host spider Desis formidibalis

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

Live specimens with egg sacs of Desis formidibalis.

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

Habitat and host spider Desis formidibalis

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


Afrotropical region: South Africa, Western Cape, Cape Peninsula endemic.


Parasitoid of eggs of the intertidal spiders: Desis formidibalis (Desidae) and Amaurobioides africanus (Anyphaenidae).


Lamoral, B.H. 1968. On the ecology and habitat adaptations of two intertidal spiders, Desis formidabilis (O P- Cambridge) and Amaurobioides africanus Hewitt, at The Island (Kommetjie, Cape Peninsula), with notes on the occurrence of two other spiders. Annals of the Natal Museum 20: 151193.

Maquart PO, Owen C, Coetzee JA & van Noort S. 2013. L’étrange parasitoďde du bout du monde. Insectes 170: 17-19.

Masner, L. 1968. A new scelionid wasp from the intertidal zone of South Africa (Hymenoptera: Scelionidae). Annals of the Natal Museum 20: 195-198.

Owen, C. 2012. Pearly Beach’s Creepy Crawlies. [Online] Available at: http://www.pearlybeachratepayers.co.za/conservancy.htm

Owen, C. A. 2013. Distribution, Phylogeny and Physiology of the Maritime Platygastrid Echthrodesis lamorali Masner (Hymenoptera: Scelionidae). Rostrum 81: 5.

Owen CA, Coetzee JA & van Noort S. 2014. Distribution range of the South African maritime spider-egg parasitoid wasp, Echthrodesis lamorali (Hymenoptera: Platygastridae: Scelioninae). African Invertebrates 55 (2): 323–332.

Owen CA, Coetzee JA, van Noort S. & Austin A. 2017. Assessing the morphological and physiological adaptations of the parasitoid wasp Echthrodesis lamorali for survival in an intertidal environment. Physiological Entomology DOI: 10.1111/phen.12187.

Owen CA, Coetzee JA, van Noort S & Compton S. 2018. Nest site choice by the intertidal spider Desis formidabilis (Araneae: Desidae) and nest utilization by its unusual hymenopteran egg parasitoid. Ecological Entomology doi:10.1111/een.12675 http://dx.doi.org/10.1111/een.12675

van Noort, S. 2009. The maritime platygastrid Echthrodesis lamorali Masner. Skaphion 3(40): 1-3.

van Noort, S. 2011. Caught in the act - Echthrodesis laying eggs. Skaphion 5(23-28): 1-2.

van Noort S, Masner L, Popovici O,  Valerio AA, Taekul C, Johnson, NF,  Murphy NP & Austin AD. 2014. Systematics and biology of the aberrant intertidal parasitoid wasp Echthrodesis lamorali Masner (Hymenoptera: Platygastridae s.l.): a parasitoid of spider eggs. Invertebrate Systematics 28: 1-16. http://dx.doi.org/10.1071/IS13015


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


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Web author Simon van Noort (Iziko South African Museum)


Citation: van Noort, S. 2024. WaspWeb: Hymenoptera of the World. URL: www.waspweb.org (accessed on <day/month/year>).

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