Abstract
The present paper reports data on the biology of eleven species of tachinid flies collected in Italy and Spain on different host plants and emerged from different host larvae. An annotated list of the eleven species emerged from the collected lepidopterans is provided; information about distribution and biology are given as well as the description of their puparia. Two new parasitoid species of the European Grapevine Moth (EGVM) Lobesia botrana were recorded: Clemelis massilia, whose host preferences were unknown so far, and Neoplectops pomonellae. A list of lepidopteran pest species with their associated plants and tachinid parasitoids is then given in order to highlight the relationships among the three components of the biocenosis (plant, herbivore and parasitoid). Eventually, due to the great economic importance of L. botrana in viticulture, a preliminary identification key to the puparia of its tachinid parasitoids is provided.
Highlights
Every year world agricultural yield is reduced by 10–16% both by pre- and post-harvest pests (Bradshaw et al 2016)
In the present paper we report parasitoid-host records for eleven species of tachinids collected in Italy and Spain on European Grapevine Moth (EGVM) and other lepidopteran hosts feeding on different plant species
The parasitoidhost issue is addressed on three different levels: first we report parasitoid-host records for eleven species of tachinids collected in Italy and Spain on various lepidopteran hosts; we refer to the parasitoid-host relationships between plants and different lepidopteran species; lastly, due to the great importance of L. botrana in viticulture, we provide a preliminary identification key to the puparia of its tachinid parasitoids
Summary
Every year world agricultural yield is reduced by 10–16% both by pre- and post-harvest pests (Bradshaw et al 2016). Presenting data on host-parasitoid relationships can help verify and possibly confirm old records They increase the amount of data available for future studies focusing on the host range extension and its possible variation under different regional conditions. In the present paper we report parasitoid-host records for eleven species of tachinids collected in Italy and Spain on EGVM and other lepidopteran hosts feeding on different plant species. The parasitoidhost issue is addressed on three different levels: first we report parasitoid-host records for eleven species of tachinids collected in Italy and Spain on various lepidopteran hosts; we refer to the parasitoid-host relationships between plants and different lepidopteran species; lastly, due to the great importance of L. botrana in viticulture, we provide a preliminary identification key to the puparia of its tachinid parasitoids
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