Arvenses y entomofauna asociada a olivares (Olea europaea L.) de la comunidad de El Olivo, Ixmiquilpan, Hidalgo, México

Abstract

Hylesinus mexicanus, recently listed as one of the pests in the family Scolytidae attacking olives, is currently present only in Ixmiquilpan, Hidalgo, México. To know its impact in this crop we evaluated monthly in the period August 2013 to september 2014, incidence, intensity of damage and population dynamics in nine orchards of this region, in addition, the composition of Hymenoptera parasitoids associated weeds and analyzed, with In order to relate the diversity of these latter two components with damage caused by H. mexicanus and leaf-eating. H. mexicanus affected between 0-39% of branches (average of 18%) with an intensity of 0.45 and 7.42 orifices per branch, affecting 4.92% of the trees. The highest adult abundance occured between december and April, a time that coincides with the dry season. Some of the main drivers of this pattern could be drought and prunning debris on orchards. The diversity of weeds and parasites not associated with the damage caused by these herbivores, however, it is important to study the bio-ecology of H. mexicanus and spatially analyze vegetation (gamma diversity) with the aim of promoting biological control strategies for conservation allow parasitoids perform their function (ecosystem services regulation), since the expansion of the crop could be causing the loss of biodiversity and changing the landscape context