Trophic host-parasitoid interactions of two Neotropical butterfly species in southeastern Mexico

Periodo de realización: 1900/01/01 al 2022/01/01

Tipo: Artículo científico

Lugar(es) de estudio: Xalapa, Ver., Mexico
Resumen: "Plant-host-parasitoid assemblages can be extremely variable, involving highly specialized trophic interactions. In this regard,Neotropical host-parasitoid networks remain poorly known due to a lack of studies and rearing programs. Here we describeand quantify for the first time the parasitoid network associated with Diaethria anna and Theritas lisus. Both butterfly specieswere exclusively feeding on Trema micrantha in cloud forest habitats in Southern Mexico. We reared caterpillars and pupaeto determine the associated parasitoids, attack proportions and the trophic relations for each butterfly species. Eight parasitichymenopterans and four dipteran species emerged from the reared pupae. Parasitoid richness and abundance significantlyvaried among lepidopterans. Species specificity and partner diversity also differed between butterfly species. The Anna’sEighty-eight was parasitized by ten different species, resulting in 44% of death. In contrast, T. lisus was attacked by twonatural enemies but caused higher mortality (85%). Our results suggest a trade-off between the diversity of parasitoids andmortality for both butterfly species. Quantitative observations of trophic relationships can help us understand the biologicalprocesses and changes occurring in complex but fragile networks."

Información de ECOSUR