Seasonal prevalence and histopathology of Beauveria bassiana infecting larvae of the leopard moth, Zeuzera pyrina L. (Lepidoptera: Cossidae)
نویسندگان
چکیده
منابع مشابه
effect of pheromone trap sizes and colors on capture of leopard moth, zeuzera pyrina (lepidoptera: cossidae)
the leopard moth, zeuzera pyrina (l.) (lepidoptera: cossidae) is a serious pest of walnut and apple trees in iran. one of the control methods for this pest is the mass trapping of males using pheromone traps. to determine the best size and color of traps, four different colors (green, yellow, white, gray) and two different sizes (delta shape with standard adhesive surface, 19 × 22 cm and trapez...
متن کاملSynthesis of allylic trifluoromethyl ketones and their activity as inhibitors of the sex pheromone of the leopard moth, Zeuzera pyrina L. (Lepidoptera: Cossidae).
BACKGROUND Trifluoromethyl ketones (TFMKs), structurally related to the pheromones, are good inhibitors of pheromone communication in insects. To determine their activity on Zeuzera pyrina L. (Lepidoptera: Cossidae), a polyphagous pest, the authors have prepared two diunsaturated TFMK analogues of the major (3) and the minor (4) pheromone components, and two monounsaturated ones (5, 6). Their b...
متن کاملdigestive carbohydrases in the larva of the leopard moth, zeuzera pyrina (lep.: cossidae)
the leopard moth, zeuzera pyrina, is a key and worldwide pest damaging walnut as well as many other fruit trees during the larval stages. larvae were collected from infested twigs of walnut trees. midguts from larvae were removed under a stereomicroscope and their homogenates used as the enzyme source. larval midgut extracts showed an optimum activity at ph 8.0, 6.0 and 6.0 for ?-amylase, ?- an...
متن کاملکربوهیدرازهای گوارشی در لارو کرم خراط Zeuzera pyrina (Lep.: Cossidae)
کرم خراط یک آفت کلیدی است که به درختان نارون و برخی درختان میوه در مرحله لاروی خسارت وارد می کند. روده میانی لارو در زیر استریومیکروسکوپ جدا شد و به عنوان منبع آنزیمی مورد استفاده قرار گرفت. اپتیمم فعالیت آلفا-آمیلاز، آلفا-گلوکوزیداز و بتا-گلوکوزیداز استخراج شده از روده میانی لارو به ترتیب در pH های 8، 6 و 6 بدست آمد. دمای بهینه برای فعالیت آلفا-آمیلاز، آلفا-گلوکوزیداز و بتا-گلوکوزیداز به ترتیب...
متن کاملAssessment of Beauveria bassiana Sprays for Control of Diamondback Moth (Lepidoptera: Plutellidae) on Crucifers
J. Econ.Entomol.91(3): 624-630 (1998) ABSTRACT Evaluations of the efficacy and persistence of Beauveria bassiana (Balsamo) Vuillemin for control of the diamondback moth, Plutella xylostella (L.),on cnlcifers were done in growth chambers, the greenhouse, and the field. In growth chamber studies done at 21 or 26°C and 60 or 90%RH, neither temperature nor humidity affected the survival oflarvae, b...
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ژورنال
عنوان ژورنال: Egyptian Journal of Biological Pest Control
سال: 2019
ISSN: 2536-9342
DOI: 10.1186/s41938-019-0161-5