Host-feeding
Guides
Jaliscoa
Jaliscoa is a genus of chalcidoid wasps in the family Pteromalidae, established by Bouček in 1993. The genus was redefined in a 2013 taxonomic revision and currently includes four species: J. nudipennis (type species), J. bouceki, J. hunteri, and J. vulgaris. The most extensively studied species, J. hunteri, is a parasitoid of weevils in the genus Anthonomus, particularly the pepper weevil (A. eugenii), and has been investigated as a biological control agent. Unlike many parasitoids, J. hunteri exhibits significant host feeding behavior that contributes to pest suppression.
Jaliscoa hunteri
Jaliscoa hunteri is a pteromalid parasitoid wasp native to North America that functions as a biological control agent of weevil pests in agricultural systems. Originally described as Catolaccus hunteri in 1908, it was transferred to Jaliscoa in a 2013 revision. The species is best known for parasitizing and host-feeding on pepper weevil (Anthonomus eugenii) larvae in pepper crops, and has been evaluated for control of hibiscus bud weevil (Anthonomus testaceosquamosus). Laboratory studies demonstrate strong attraction to volatiles emitted by weevil-infested pepper plants and fruit.
Microterys
Microterys is a large genus of parasitoid wasps in the family Encyrtidae (Chalcidoidea), with its center of distribution in the northern parts of the Northern Hemisphere. Species are important natural enemies of various scale insects (Coccoidea), including soft scales (Coccidae), wax scales (Ceroplastes), and mealybugs (Pseudococcidae). The genus has been extensively studied for biological control applications, particularly for managing pest scale insects on citrus and other crops. Several species have been introduced to new regions as biocontrol agents, including Microterys flavus in California.
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Neochrysocharis is a genus of small parasitoid wasps in the family Eulophidae. Species in this genus are endoparasitoids of leafmining insects, particularly agromyzid flies. Some species exhibit host-feeding behavior and possess both thelytokous (asexual) and arrhenotokous (sexual) reproductive strains. Multiple species have been evaluated as biological control agents for invasive leafminer pests in agricultural systems.
Neochrysocharis formosa
Neochrysocharis formosa is a small parasitoid wasp in the family Eulophidae. It is a larval parasitoid of leafminers (Agromyzidae) and has been recorded as a parasitoid of Tuta absoluta (Gelechiidae) and Diprion pini (Diprionidae). The species exhibits host-feeding behavior and is widely used as a biological control agent in agricultural systems. Both thelytokous and arrhenotokous strains exist, with thelytokous strains showing superior biocontrol potential. Sex ratios are typically female-biased.
Tamarixia
Tamarixia is a genus of small parasitoid wasps in the family Eulophidae, primarily known as parasitoids of psyllids (jumping plant lice, superfamily Psylloidea). The genus was established by Mercet in 1924 and contains approximately 50 described species distributed worldwide. Most species are ectoparasitoids, though at least one species has been recorded as an endoparasitoid. Several species, particularly T. radiata and T. triozae, are important biological control agents used in integrated pest management programs for citrus and solanaceous crops.