Parasitic natural enemies of lemon tree border

Natural enemies of cypress tree mealybug planococcus vovae (nasonov)and their parasitoids in shiraz iran

The Natural Enemies of Locusts

Fig. T. Redwing Locust, dead from Beauucria globlllifera. (Natural size). that death occurs about six to eight days after infection. The infected insect ceases feeding, wanders aimlessly about, and just before death hides in a shady spot on or near the ground. The bottom of the cane stools are favourite places. After death, the whole of the inside of the insect is full of a white growth of fung...

Potential role of natural enemies during tree range expansions following climate change.

Recent investigations have shown how chance, long-range dispersal events can allow tree populations to migrate rapidly in response to changes in climate. However, this apparent solution to Reid's paradox applies solely within the context of single species models, while the rapid migration rates seen in pollen records occurred within multispecies communities. Ecologists are therefore presented w...

Arbuscular mycorrhizal fungal diversity and natural enemies promote coexistence of tropical tree species.

Negative population feedbacks mediated by natural enemies can promote species coexistence at the community scale through disproportionate mortality of numerically dominant (common) tree species. Simultaneously, associations with arbuscular mycorrhizal fungi (AMF) can result in positive effects on tree populations. Coupling data on seedling foliar damage from herbivores and pathogens and DNA seq...

Indirect Effects of Pesticides on Natural Enemies

Pesticides including insecticides and miticides are primarily used to regulate arthropod (insect and mite) pest populations in agricultural and horticultural crop production systems. However, continual reliance on pesticides may eventually result in a number of potential ecological problems including resistance, secondary pest outbreaks, and/or target pest resurgence [1,2]. Therefore, implement...