COCCUS HESPERIDUM PDF

Identity. Top of page. Preferred Scientific Name. Coccus hesperidum Linnaeus, Preferred Common Name. brown soft scale. Body broadly oval to round; flat to slightly convex in lateral view; body yellow- green to yellow-brown, usually with small brown flecks scattered on dorsum; body. Coccus hesperidum is common on many subtropical fruit trees (see Table ), but generally is not considered a dangerous pest because natural enemies.

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Florida Department of Agriculture, Consumer Services.

Six non-native species of scale insect Hemiptera: The eggs are retained inside the insect until they hatch, at which time small nymphs emerge and are brooded for a few hours before dispersing. Generate a print friendly version containing only the gesperidum you need. Catalog of Hymenoptera in America north of Mexico.

World Crop Pests, Vol 7A. Encapsulation of parasitoid eggs in soft scales Homoptera: The soft scales insects of Florida Homoptera: This allows natural predators to flourish and keep the scale insects under control, although this may lead to an increase in the production of sooty mould. Morphology and taxonomy of adult males of the family Coccidae Homoptera: Other subtropical fruit trees. Smithsonian Institute Press, CIE, ; Hewperidum et al.

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Coccus hesperidum

Sap-sucking insect records Hemiptera: Traditionally, brown soft scale has been controlled by the use of pesticidesbut these have the disadvantage that other insects, friends and foes alike, are cocvus killed. New report of insect pests and their natural enemies in pomegranate.

Arthropods of Florida and Neighbouring Land Areas. This reduces the area of leaf available for photosynthesisand spoils the appearance of the plant, its flowers and fruits.

A further possibility is the use of growth regulators such as the hesperidym hydroprene which disrupts the moulting of juvenile scale insects. Soft scale insects Coccidae.

Scale Insects: Fact sheet

Herting B; Simmonds FJ, They then secrete the excess sugary fluid as honeydew. Gomez-Menor Ortega J, Pests of the Cultivated Plants of Israel. There is considerable morphological variation, but all specimens examined lack coccue complete band of tubular hwsperidum between the hind pair heaperidum legsand at least a few dorsal setae are apically pointed. These first-stage nymphs are known as crawlers and move a short distance from the mother before settling and starting to feed.

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Over the course of her life, the female may produce up to eggs, a few being laid each day. Florida Entomologist, 97 4: Ciba-Geigy Agrochemicals, Technical Monograph, 4: Survey of parasitoid species associated with the brown soft scale iInsect, Coccus hesperidum L. Taxonomic Tree Top of page Domain: Coccus hesperidum also is similar to C.

Insects and Mites of Western North America.

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The green scales of coffee in Africa south of the Sahara Homoptera: Insect development and reproduction disrupters. South African Journal of Agricultural Sciences, 9: Orangen-schildlaus; Weiche-schildlaus; Zitrus-schildlaus Israel: Dorsal setae enlarged, apically acute or slightly rounded, not capitate; ventral tubular ducts medial between middle legswith a few near base of hind legs ; dorsal submarginal tubular ducts often present around body marginsame size or smaller than ventral ducts; claw with or without small denticle.

CIE Map 92 revised ,

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