adult emergence

Listing 1 - 10 from 47 for adult emergence

White pine weevil (Pissodes strobi) biological performance is unaffected by the jasmonic acid or wound-induced defense response in Norway spruce (Picea abies)
... spruce (Picea abies Karst). We evaluated the feeding activities, oviposition and rate of adult emergence of white pine weevil on field-grown Norway spruce subjected to jasmonic ... did not significantly affect the weevils’ feeding activities, oviposition or rate of adult emergence. Keywords: mechanical wounding, monoterpene synthase-like gene, octadecanoid pathway, plant defense, sesquiterpene ...
heronpublishing.com

Sap Beetles, HYG-2047-97
... of all three are white. Pupae are white, turning cream-colored and later tan before adult emergence. Life Cycle and Habits All of the sap beetles in Ohio overwinter as adults in ... the pupa stage. Adults then emerge in June and July. The cycle from egg to adult takes about 30 to 35 days. There is usually only one generation per year. Newly ...
ohioline.osu.edu

Lesser Peachtree Borer, HYG-2033-94
... . Experiment Station Bull. 307) Lesser peachtree borer: adult female. Life Cycle Lesser peachtree borer usually has two generations per year in Ohio, with adult emergence in May and June, then again in August ... to notice when emergence begins (when the first moth is trapped) and when emergence reaches a peak (when the number of moths trapped per week is highest). At peak emergence, there may be ...
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Fruit Insect Focus, July, 1997
... adult is also reddish-orange during the first few hours after emergence from the pupal case before turning black. IV. Biology: SP overwinters as an adult ... of apple development, with peak emergence from the pink to bloom stage. Adult emergence is usually complete by the petal ... skins will cling to leaves for some time after adult emergence; therefore, counting pupae could lead to an overestimate of ...
www.caf.wvu.edu

Fruit Insect Focus, September, 1997
... purple as adult emergence nears. IV. Biology: The life history of this species is poorly known and is the subject of research in West Virginia. The leafminer overwinters in the adult stage. Eggs ... in very low densities due to high mortality of overwintering adults. Development from egg to adult may occur in as few as 20 days at 71.6 to 78.8 F ...
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Obliquebanded Leafroller
... later. Pupae are about 11.4 to 13.5 mm long. Adult: The adults are banded with various shades of tan to chocolate- ... DD first adult emergence 800 DD first eggs laid. 1,150 DD peak adult emergence 1,250 DD peak egg laying 2,050 DD first emergence of second- ... or fresh feeding sites per tree. Use pheromones to determine when emergence of summer brood starts; then each week, examine 10 fruit clusters ...
www.canr.msu.edu

Common Tree Fruit Insects
... two baited yellow traps per bush should be adequate. Maggot emergence continues through mid-September, so clean traps weekly and replace ... 1400 degree days base 50 from the May biofix, before emergence. Redbanded Leafroller The Redbanded Leafroller is generally an indirect ... June. Damage appears about 10 to 14 days after emergence. Use the adult emergence date as the biofix and spray 200 degree days ...
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Liriomyza brassicae
... does no feeding damage and development is completed in 5 to 12 days. ADULTS This adult is a small fly of mat gray with black and yellow splotches and about 1 ... in the leaf and leaves to pupate on the leaf surface or on the ground. Adult emergence generally occurs in the early morning hours before 9:00 a.m. MANAGEMENT In Florida ...
www.extento.hawaii.edu

Anthonomus eugenii
... the mature fruit epidermis. Holes made on the fruit by oviposition, adult emergence, or feeding may also open up the fruit to microbial infection. ... (Elmore, et. al.., 1934). They mate in about 2 days after emergence. Mating may occur several times, but a female needs to ... adult during the summer ranged from 16 to 23 days and averaged 20.9 days (Elmore, et. al., 1934). If the period between emergence ...
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Viburnum Leaf Beetle (VLB) Citizen Science, Cornell University
... control, characterizing factors associated with resistance and susceptibility, determining degree-day thresholds for larval and adult emergence, photos. Department of Horticulture Lori Bushway - Project coordinator. Craig Cramer - Website coordinator. Marcia Eames-Sheavly ...
www.hort.cornell.edu

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