Predaceous hemipteran feeding on different trophic levels have raised questions about their ecology and role in biological control. Therefore, specific adaptations allowing them to simultaneously use plants and animals as sources for their nutritional requirements are important. Enzymatic variability in predatory hemipterans has been suggested as the basic adaptation for convergent or divergent...

BACKGROUND: Chemical control of spider mites and thrips in everbearer strawberry is difficult as few efficient chemicals are available and residues represent a risk. In the north the success of biocontrol of mites and thrips in open fields compared with tunnels needs to be evaluated. OBJECTIVES: To investigate the need for control of spider mites and thrips and evaluate the effectiveness of bio...

introduction: garlic (allium sativum) (family amaryllidaceae) are one of important crops in hamedan province. there are several insects and mites that by feeding on this plant cause to damage garlic yield. among the insect pests, the most dangerous pests of garlic are thrips species (insecta: thysanoptera). in this group, onion thrips, thrips tabaci lindeman is widely distributed and is a domin...

Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus are predatory bacteria that naturally-and obligately-prey on other Gram-negative bacteria, and their use has been proposed as a potential new approach to control microbial infection. The ability of predatory bacteria to prey on Gram-negative human pathogens in vitro is well documented; however, the in vivo safety and efficacy of predator...

This paper presents evidence that reductions in mortgage interest rates associated with prepayment penalties are greater for riskier borrowers, as measured by mortgage type, credit scores, and local incomes and education levels. This is consistent with an efficiency view that, by reducing the reclassification risk faced by lenders, prepayment penalties can be welfareimproving. Additional findin...

Plant diversity is predicted to be positively linked to the diversity of herbivores and predators in a foodweb. Yet, the relationship between plant and animal diversity is explained by a variety of competing hypotheses, with mixed empirical results for each hypothesis. We sampled arthropods for over a decade in an experiment that manipulated the number of grassland plant species. We found that ...

(1) Assess the distribution and abundance of four common, flower-visiting, predatory Southern California assassin bug species (Hemiptera: Reduviidae) on their host plants in sage scrub and chaparral habitats of the Shipley-Skinner Reserve. (2) Use gut metabarcoding analyses to test the hypothesis that native pollinators constitute a significant proportion of assassin bug diets, and that the die...

Coccinellid beetles are predaceous on various insect pests such as aphids, mealy bugs, scale insects, mites, whiteflies and some other soft bodied insects. Literature review shows that they show significant role in control of agricultural horticultural pests. Most the coccinellid species predatory nature considered benignant. This reveals work done diversity highlights bio agents

Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus are Gram-negative proteobacteria that are obligate predators of other Gram-negative bacteria and are considered potential alternatives to antibiotics. Most studies focusing on predatory bacteria have been performed in vitro, thus the effect of predatory bacteria on a live host, including the impact on the ecology of the native microbiota...

The sudden occurrence of the ctenophore Mnemiopsis leidyi has been reported recently from different regions of the Baltic Sea and it has been suggested that the species has invaded the whole basin. Here we provide the first set of quantitative data of seasonal diet composition and life history traits of M. leidyi and its predatory role in the pelagic ecosystem of the Western Baltic Sea. The siz...