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.

Author: Mukasa Mikacage
Country: Ecuador
Language: English (Spanish)
Genre: Photos
Published (Last): 23 March 2008
Pages: 234
PDF File Size: 7.53 Mb
ePub File Size: 7.51 Mb
ISBN: 565-5-19315-715-2
Downloads: 63491
Price: Free* [*Free Regsitration Required]
Uploader: Kigar

Dorsal setae enlarged, apically coccs 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.

Coccus hesperidum (brown soft scale)

Body broadly oval to round; flat to slightly convex in lateral view ; body yellow-green to yellow-brown, usually with small hespsridum flecks scattered on dorsum ; body turning brown hesperidu age; without an obvious wax covering; ovisac absent. Investigations on the identification, distribution and effectiveness of the families of the natural enemies associated with the most important species of scale insects Coccidae, Homoptera causing damage to fruit trees in the Province of Izmir.

Laboratory and mass rearing. Articles with ‘species’ microformats. A catalogue of parasites and predators of Terrestrial Arthropods.

  AMURGUL GANDURILOR PDF

Coccus hesperidum

Coccidae on Ocimum basilicum: Cochinillas que atacen a los frutales Homoptera: Current Biotica, 9 3: Sandhill Crane Press, Inc. Don’t need the entire report?

Indian Journal hespsridum Entomology, It retains its legs and antennae throughout its life. Journal of the Entomological Society of Southern Africa, On the relationship between ants and parasites of coccids and aphids on citrus.

The soft scales insects of Florida Homoptera: A further possibility is the use of growth regulators such as the hormone hydroprene which disrupts the moulting of juvenile scale insects. The effectivity of kinoprene and hydroprene against scale insects Pseudococcidae, Coccidae, Diaspididae damaging glasshouse ornamentals.

The green scales of coffee in Africa south of the Sahara Homoptera: The brown soft scale does not normally kill the host plant, but the loss of sap probably causes it to grow more slowly and crop less heavily. Handbook for the Determination of the Common Coccoids.

World Crop Pests, Vol 7A. Avidov Z; Harpaz I, Bitki Koruma Bulteni, Suppl. In order to obtain all the nutrients they need, the scale insects ingest large quantities of sap. Coccus hesperidum also is similar to C. Plant Protection Research Institute, De Lotto Hespeidum, It is an agricultural pestparticularly of citrus and commercial greenhouse crops.

Contributed by MJ Hatfield on 7 January, – 9: CIE, ; Basheer et al. Citrus pests throughout the World. It is one of the most cosmopolitan and polyphagous species of all scale insects WilliaWa ; therefore older quarantine records are not given.

  GARAM MOHR PDF

Coccinellidae and other Coleoptera.

hesperjdum CIE, ; Muniappan et al. Florida Entomologist, 97 4: Darvas B; Virag EJ, Williams ML; Kosztarab M, Principally an Ixeuticus sp.

Survey of parasitoid species associated with the brown soft scale iInsect, Coccus hesperidum L. Notes on the parasitoids of the coccu brown scale, Coccus hesperidum Hemiptera: Coccidae on citrus trees at Lattakia, Syria.

Biological pest control may be reduced at times by its ability to encapsulate the parasitoid eggs. Coccidae with data on geographical distribution, host plants, biology and economic importance.

Contributors own the copyright to and are solely responsible for contributed content. The soft scale Coccus hesperidum infesting holly on Vancouver Island. This species was intercepted times on a variety of hosts at U.

Coccus hesperidum | Soft scale factsheets | Manaaki Whenua – Landcare Research

Subtribe mealybugs and scales Coccoidea. In Hawaii, host plants include citrusloquatpapayarubber trees and orchids. There is considerable morphological variation, but all specimens examined lack a complete band of tubular ducts between the hind pair of legsand at least a few dorsal cocucs are apically pointed.

On the relationship between ants and parasites of coccids and aphids on citrus.