Performance of Certain Mango Varieties to Infestation with The Plum Scale Insect, Parlatoria oleae (Colvee) (Hemiptera: Diaspididae) in Luxor Governorate, Egypt
نویسندگان
چکیده
منابع مشابه
DNA barcodes for two scale insect families, mealybugs (Hemiptera: Pseudococcidae) and armored scales (Hemiptera: Diaspididae).
Although DNA barcode coverage has grown rapidly for many insect orders, there are some groups, such as scale insects, where sequence recovery has been difficult. However, using a recently developed primer set, we recovered barcode records from 373 specimens, providing coverage for 75 species from 31 genera in two families. Overall success was >90% for mealybugs and >80% for armored scale specie...
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In recent years, an undescribed species of Unaspis MacGillivray (Hemiptera: Coccomorpha: Diaspididae) has become a damaging pest on the fruit crop Lansium domesticum Corrêa (family Meliaceae) in the Philippines.
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Hepatitis C virus (HCV), was first identified in 1989 [1], it is a spherical, enveloped, single stranded RNA virus belongs to Flaviviridae family and having humans and chimpanzees as the only species vulnerable to its infection [2,3]. There are at least 7 genоtypes and more than 67 subtypes of HCV were identified, the different HCV genotypes have different distribution [4]. HCV Genotype 4 is th...
متن کاملPhoretic dispersal of armored scale crawlers (Hemiptera: Diaspididae).
Dispersal and colonization of new areas by armored scale insects (Hemiptera: Diaspididae) is achieved by mobile first-instar nymphs, called crawlers. Few studies have considered the actual mechanisms by which crawlers disperse, and although crawlers are capable of actively wandering over short distances (generally < 1 m), their dispersal over longer distances has been thought to be wind-mediate...
متن کاملthe effect of task cognitive complexity and time limit on the performance of the learners with different proficiency levels in second language writing skill
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
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ژورنال
عنوان ژورنال: Egyptian Academic Journal of Biological Sciences. A, Entomology
سال: 2020
ISSN: 2090-0813
DOI: 10.21608/eajbsa.2020.111251