Insecticide selectivity to natural enemies is an important concern in integrated pest management programs. Although there a wide range of information concerning pesticide lethal and sublethal effects on contaminated surfaces, little known when the route exposure occurs at trophic level. This study evaluates this intake omnivorous predator Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) for first time. Under laboratory conditions, prey treated with six insecticides (flubendiamide,...

The high-dose/refuge strategy is considered as the main for delaying resistance in target pests to genetically modified crops that produce insecticidal proteins derived from Bacillus thuringiensis Berliner. This based on a key assumption alleles are initially rare (<10(-3)). To test this assumption, we used an F2 screen natural populations of Sesamia nonagrioides Lefebvre (Lepidoptera: Noctuidae) Greece and Spain. In total, 75 lines 85 Spain were screened survival larvae Cry1Ab corn, Zea...

Planting flower strips adjacent to crops is among the habitat-management practices employed offer alternative floral resources pollinators. However, more information needed understand their potential spill-over of pollinators on nearby insect-pollinated crops. Over course two consecutive years, suitability a mixture 10 herbaceous plants for was evaluated weekly basis, in randomized block design melon plots (10 × m2) with or without 1 m-wide strips. Floral coverage and pollinator visits plant...

The developmental rate and survival of immature stages mold mite, Tyrophagus putrescentiae (Schrank), were examined at seven constant temperatures, ranging from 10 to 34°C, a relative humidity 90 ± 5%. larval stage was particularly susceptible low high temperatures with 93.6 54% mortality respectively. optimal temperature for development appeared be 30°C. Three nonlinear (Logan type III, Lactin, Briere) models provided reliable fit the relationship between rates (Ra2 > 0.93) all stages....

The olive fruit fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae), is the most damaging pest of crop in main growing areas. control this based on insecticides, but more sustainable strategies are needed to reduce negative impacts such as pesticide residues, development insecticide resistance or effects non-target organisms. In a three-year field study, effectiveness preventive kaolin and copper (Bordeaux mixture) applications were evaluated. Natural groves very valuable must be preserved,...

The poplar lace bug, Monosteira unicostata (Mulsant & Rey), is one of the most important pests almond trees in Mediterranean area.The developmental times and survival immature stages this tingid were determined at 16, 19, 22, 25, 28, 31, 34, 35.5, 37 39°C, 60 ± 10% relative humidity under a 16L : 8D photoperiod.At 16 100% mortality was recorded during development, with egg, first second nymphal instars susceptible.The lowest 28°C (9.8%).As temperature increased, total period decreased...

The storage mite, Tyrophagus putrescentiae (Schrank), is an important source of airborne allergens, especially on farms. Three insect growth regulators (halofenozide, pyriproxyfen, hexaflumuron), one botanical insecticide (azadirachtin) and naturalyte (spinosad) were tested to assess their efficacy against this mite. organophosphate chlorpyrifos was used as a standard. Immature stages adults treated with different concentrations the chemicals in diet-incorporation bioassays. All...

Insect growth regulators (IGRs) act specifically on arthropods. This selectivity makes them an interesting alternative to traditional insecticides for pest control. The aim of this work was test the IGRs azadirachtin, cyromazine, flufenoxuron, lufenuron and pyriproxyfen as useful pesticides control olive fruit fly, Bactrocera oleae (Rossi), a key crops.Of products tested, chitin-synthesis inhibitor showed highest efficacy. life parameter showing strongest effect egg hatch, because caused...

The invasive species Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) represents a serious problem in Europe and America for the production of wide variety small fruits. Originally endemic to Southeast Asia, it is able attack healthy ripening fruit where females lay eggs with its serrated ovipositor. main factor determining population increase this fly temperature. Different studies have focused on effect reproduction American Asian populations. However, no comprehensive study has...

Latent infections caused by Monilinia spp. in nectarines cause great economic losses since they are not detected and rejected at harvest can appear any time post-harvest, even the consumer’s home. The effect of a pre-cooling chamber, water dump operation, cold-storage chamber on activation and/or development preharvest latent were studied under different postharvest conditions: (a) cold storage for 0, 1, or 3 d 4 °C either 75% relative humidity (RH) 100% RH before dumping, (b) dumping 10...

Abstract Drosophila suzukii (Diptera: Drosophilidae) is an invasive species that causes great damages to many stone and small fruits, resulting in reduced fruit production high economic losses. The concern about this pest has led the research of a wide range possible control methods. However, main strategies are still based insecticide applications. efficacy different insect growth regulators (IGRs), which have better ecotoxicological profile than conventional pesticides, was evaluated test...

Abstract. Trypsin, chymotrypsin, cathepsins B and D, aminopeptidase carboxypeptidases A were detected in body extracts of the storage mite Acarus farris (Oudemans) (Astigmata: Acaridae). Faeces‐enriched medium exhibited higher (10–50‐fold) specific protease activity rates than those measured with for trypsin, chymotrypsin B, suggesting that they are involved digestion. However, cathepsin was only three‐fold faecal extracts, indicating its presence lumen digestive tract is low compared to...

Abstract Environmentally friendly control measures are necessary for the olive fruit fly Bactrocera oleae ( R ossi). Predation of pupae in soil should be better understood because it contributes to natural pest populations. A time course field trial was carried out 2015 and 2016 15 orchards selected represent a gradient landscape complexity. Exclusion cages were used estimate predation rate. combination tillage intensity coverage by herbaceous vegetation, hereafter referred as condition,...

Abundance and diversity of arthropods were compared in olive trees treated against the fruit fly with spinosad bait sprays an untreated control, paying special attention to predators parasitoids. Spinosad did not reduce abundance as a whole canopy. However, principal response curve analysis revealed significant deleterious effect treatments on natural enemies last three years study. The most affected taxa Anthocoridae (especially Orius spp.) Aphelinidae.

Abstract Chelonus inanitus L. (Hymenoptera: Braconidae) is an egg-larval parasitoid of Lepidoptera, with the potential for biological control noctuids. The lack information merits research on its reproductive and developmental biology. We studied reproduction mated pairs during female lifetime development progeny two hosts, factitious Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) natural Spodoptera littoralis Boisduval Noctuidae). longevity subjected or not to parasitism was compared....