منابع مشابه
Monitoring of pear psylla for pest management decisions and research
Pear psylla, Cacopsylla pyricola (Foerster) (Homoptera: Psyllidae), is one of the key insect pests in North American pear production. In some growing areas, more than 50% of dollars spent to control arthropod pests in commercial pear are directed specifically at controlling this species. Control measures require accurate and timely information about dispersal, onset of egg-laying in spring, den...
متن کاملEcology and management of the woolly whitefly (Hemiptera: Aleyrodidae), a new invasive citrus pest in Ethiopia.
Distribution and importance of woolly whitefly (Aleurothrixus floccosus) (Maskell) (Hemiptera: Aleyrodidae), was studied in Ethiopia with an evaluation of treatments against it. Results showed that the pest is distributed in most citrus-growing parts of the country equally infesting all types of citrus crops. Only one pupal parasitoid, Amitus sp., was recorded at Melkaoba. During 2006-2007, eig...
متن کاملThe sugarcane woolly aphid, Ceratovacuna lanigera Zehntner (Hemiptera: Aphididae): its biology, pest status and control
CURRENT SCIENCE, VOL. 87, NO. 3, 10 AUGUST 2004 307 65. Scharff, C., Chasing fate and function of new neurons in adult brains. Curr. Opin. Neurobiol., 2000, 10, 774–783. 66. Nottebohm, F., Why are some neurons replaced in adult brain? J. Neurosci., 2002, 22, 624–628. 67. Gross, C. G., Neurogenesis in the adult brain: death of a dogma. Nature Rev. Neurosci., 2000, 1, 67–73. 68. Kempermann, G., W...
متن کاملthe significance of conjunction as a cohesive device in teaching writing
the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...
15 صفحه اولBed bug bite, as an important health and urban pest
Bed bug (Cimex lectularius) is an nocturnal insect that feeding on human blood at all stages of them life, and known as a human ectoparasite. Bed bug is usually feeding from the face, neck, arms, arms, shoulders, legs, and especially parts of the body that are bare during sleep. Persons reaction differently to bed bug bites and may experience minor itching to severe allergies. Symptoms usually ...
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ژورنال
عنوان ژورنال: Journal of Economic Entomology
سال: 1915
ISSN: 1938-291X,0022-0493
DOI: 10.1093/jee/8.5.450