New Pseudococcidae (Homoptera: Coccoidea) from Africa

گونه های جنس Planococcus Ferris در ایران Homoptera : Coccoidea : Pseudococcidae) Planococcus vovae )و بررسی مجدد گونه (Nasonov)

A new record of mealybug pest in the south of Iran, Phenacoccus solenopsis (Hemiptera: Coccoidea: Pseudococcidae)

شپشک آردآلود Phenacoccus solenopsis Tinsley در تاریخ 12/10/1387 از بندرعباس و میناب در استان هرمزگان از روی ختمی چینی Hibiscus rosa-sinensis جمع‌آوری شد. این شپشک که برای اولین بار از ایران گزارش می‌شود، در پاکستان و هند یکی از آفات خسارت‌زا روی محصول پنبه است و سالانه مبالغ هنگفتی صرف کنترل شیمیایی آن می‌گردد. این شپشک خسارت قابل ملاحظه‌ای به گیاهان زینتی در شهرها و درختان میوه، به‌ویژه مرکبات...

Susceptibility of Maconellicoccus hirsutus (Homoptera: Pseudococcidae) to methyl bromide.

Eggs, crawlers, early nymphs, late nymphs, and adults of the pink hibiscus mealybug, Maconellicoccus hirsutus (Green), were tested for their susceptibility to methyl bromide in 2-h laboratory fumigations at ambient conditions (25 degrees C, 95% RH). Dose-response tests indicated that the egg was the most susceptible life stage with an LC99 of 20.2 mg/liter. Based on probit analysis of dose-resp...

Generic vapor heat treatments to control Maconellicoccus hirsutus (Homoptera: Pseudococcidae).

Vapor heat treatments were developed against life stages of the mealybug Maconellicoccus hirsutus (Green) (Homoptera: Pseudococcidae). Treatments tested were 47 degrees C for 5-50 min in 5-min increments and 49 degrees C for 3, 5, 8, 10, and 12 min. All tests were conducted with mixed age M. hirsutus on Chinese pea, Pisum sativum L. Treatment at 47 degrees C required 45 min to kill all M. hirsu...

Identification of Mealybug- (Homoptera: Pseudococcidae) Resistant Turf-Type Buffalograss Germplasm

Two species of mealybugs, Tridiscus sporoboli (Cockerell) and Trionymus sp., have emerged as potentially serious pests of turf-type buffalograss, Buchloe dactyloides (Nuttall) Engelmann. Sixty-two buffalograss selections were screened for resistance to these mealybugs in 4 greenhouse trials. Using a 1-6 rating scale (1 = no signs of mealybugs, 6 = >75% of tillers infested), 'Prairie' and '609' ...