Effect of Variable Photoperiod on Development and Survival of Cirrospilus sp. nr. Lyncus (Hymenoptera: Eulophidae), an Ectoparasitoid of Phyllocnistis citrella (Lepidoptera: Gracillariidae)
نویسندگان
چکیده
منابع مشابه
Some biological parameters of Sympiesis striatipes (Hym.: Eulophidae), an ectoparasitoid of the citrus leafminer Phyllocnistis citrella (Lep.: Gracillariidae)
ویژگی‌های زیستی زنبور Sympiesis striatipes (Ashmead)، یکی از فراوان‌ترین پارازیتوئیدهای خارجی مینوز برگ مرکبات Phyllocnistis citrella Stainton در استان Ehime ژاپن، در شرایط مزرعه و آزمایشگاه مورد بررسی قرار گرفت. متوسط طول دوره‌ی رشدی مراحل نابالغ و طول عمر حشرات بالغ (در 22 الی 31 درجه‌ی سانتی‌گراد، رطوبت نسبی 70-50 درصد و دوره‌ی نوری 12 ساعت روشنایی و 12 ساعت تاریکی) با افزایش دما کاهش یافت و...
متن کاملEffect of Melia azedarach (Sapindales: Meliaceae) fruit extracts on Citrus Leafminer Phyllocnistis citrella (Lepidoptera: Gracillariidae)
Melia azedarach L. extracts were studied in comparison with selected biorational insecticides against the citrus leafminer Phyllocnistis citrella Stainton under field conditions. Citrus limon (L.) Burm. F. trees were exposed to: Melia extracts of green and mature fruits, Neem oil (30% a.i.), abamectin (1.8% a.i.) and control. Two sprays of each treatment (except for Melia mature fruit extract) ...
متن کاملeffect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولSpatial distribution of parasitism on Phyllocnistis citrella Stainton, 1856 (Lepidoptera: Gracillariidae) in citrus orchards.
Many species of microhymenopterous parasitoids have been registered on Phyllocnistis citrella, the citrus leafminer. The present study aimed to identify the spatial distribution pattern of the native and introduced parasitoids of P. citrella in two citrus orchards in Montenegro, RS. The new shoots from 24 randomly selected trees in each orchard were inspected at the bottom (0-1.5 m) and top (1....
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ژورنال
عنوان ژورنال: The Florida Entomologist
سال: 2001
ISSN: 0015-4040
DOI: 10.2307/3496186