Interactions Between Two Parasitoids of Tephritidae: (Ashmead) and (Wilkinson) (Hymenoptera: Braconidae), Under Laboratory Conditions

Overview

Journal Insects

Specialty Biology

Date 2020 Oct 7

PMID 33023254

Citations 4

Authors

Shepard Ndlela

Samira Abuelgasim Mohamed

Abdelmutalab G A Azrag

Paul Nduati Ndegwa

George Otieno Ongamo

Sunday Ekesi

Affiliations

Soon will be listed here.

Abstract

The braconid wasp, (Ashmead), was introduced in Kenya from Hawaii for classical biological control of the invasive tephritid, Hendel. Following reports that had formed new associations with , laboratory experiments were conducted to assess the interaction between the introduced and the native parasitoid of ; (Wilkinson) under three scenarios: only, only and mixed populations of the two species. Parasitoids were introduced to the host as sole, sequential and simultaneous releases. Host searching and probing events were five times higher for than with both hosts. Total parasitism was highest (78%) when was released alone on , compared to 20% for released on the same host. Releases of on resulted in 0% parasitism, compared to 64% parasitism by . Specific parasitism for was three times higher when was released first in sequential releases on compared to when it was released after . These findings suggest that the two parasitoids can both suppress but acts as a reproductive sink for . Our findings should form the basis of field investigations where options are much wider for both parasitoids.

Citing Articles

Shaping the Microbial Landscape: Parasitoid-Driven Modifications of Bactrocera dorsalis Microbiota.

Gwokyalya R, Herren J, Weldon C, Ndlela S, Gichuhi J, Ongeso N Microb Ecol. 2024; 87(1):81.

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Friend or Foe: Symbiotic Bacteria in -Parasitoid Associations.

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PMID: 36829551 PMC: 9953478. DOI: 10.3390/biology12020274.

Differential immune responses in new and old fruit fly-parasitoid associations: Implications for their management.

Gwokyalya R, Herren J, Weldon C, Khamis F, Ndlela S, Mohamed S Front Physiol. 2022; 13:945370.

PMID: 36091407 PMC: 9458847. DOI: 10.3389/fphys.2022.945370.

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