General information about Aleurocanthus woglumi (ALECWO). Sticky honeydew deposits accumulate on leaves and stems and usually develop black sooty mould fungus, giving the foliage (even the whole plant) a sooty. Aleurocanthus woglumi (Hemiptera: Aleyrodidae) in Citrus: Opportunities and Challenges to Implement a Sustainable Management. By Daniele L. Vieira.

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EPPO Global Database

A large hand lens may be necessary to help recognition of the dorsal spines on immature stages. Heileman, ; EPPO, Annals of the Entomological Society of America, 80 6: Hypersensitivity reaction is characterized as a fast and localized response.

The third instar is more convex and much longer than the second, averaging 0. Continuing to use www. The whitefly female adult is all white and is surrounded by waxy filaments.

Title Eggs and nymphs Caption Aleurocanthus woglumi citrus blackfly ; egg ‘spiral’ and nymphs. The whitefly of New Guinea Homoptera: The six-legged, dusky, elongate first-instar larvae 0. Please consider upgrading your browser to the latest version or installing a new browser. Huang J, Polaszek A. How to cite this article.

citrus blackfly (Aleurocanthus woglumi)

The temperature influenced citrus blackfly population regulation. These species differ from each other only in microscopic characters of the ‘pupa’ and require expert preparation and identification to distinguish them reliably.

The following details are from ShawMartinez and Angeles and Enkerlins Aleyrodidae in Roraima, Brazil. It shows that the ideal sampling system is the one that take into account the different seasons, and thatduring the dry season in both systems the spacing suggested based on the reach is about 22m Table 1. Revista Caatinga, 25 2: During this period a reduced nymph number was observed and the main factor responsible for the blackfly observation was the adults.


The pest that deserves attention in this kind of system in this region is the citrus blackfly Aleurocanthus woglumi Ashby. Inducing agents sensitize the plant to activate their defense mechanisms in response to the presence of pests.

Based on the semivariogram reach parameter, the average number of suggested evaluations along the year for the agroforestry system would be 17 evaluations ha-1 and for the monoculture system seven evaluations ha A sufficiency of water and appropriate applications of fertiliser will encourage growth and minimise damage.

Also, more than one application of sulfur per year can have an adverse effect on parasites. More detailed information can be found in Silva et al.

Synthetic insecticides should not be sprayed when much of the blackfly population is in the adult stage; therefore, it is recommended to wait 10—12 days for the decrease in adult population allowing the young stages egg and nymphs to emerge which can be controlled before they cause damage [ 40 ].

United States Department of Agriculture.

Besides the production of fruit, the alsurocanthus destination is orange juice industry, Brazil being one of the largest producer and exporter of that drink in the world [ 2 ]. Knowledge Bank home Change location. The main applications of geostatistics in the agriculture field, specifically wgolumi the phytosanity field, have started in the 90s with Webster This causes a reduction in the photosynthetic capacity of the plant, and fruits are rendered unmarketable [ 5 ].

Revista Cultivar 7 This probably has hindered the effectiveness of chemical control because of the ease of reinfestation, especially in abundance of host sites. The blackfly of citrus and other subtropical plants. Facultative hyperparasitism and sex determination of Encarsia smithi Silvestri Hymenoptera: Under the intrinsic hypothesis about stationary, the semivariance was calculated by the following equation: Works by defunct state agencies may be copyrighted if these rights were transferred to a new or different agency note that legislation transferring such right may not have been codified into Florida Statutes.


Evaluations about the effect of Dursban 4E [chlorpyrifos] in two different nursery locations by Ref.

In the monoculture system, during the dry from August to November and the wet wolumi January to May seasons the number of evaluations should not vary and seven evaluations wolgumi are recommend.

Go to distribution map The insects are most noticeable as groups of very small, black spiny lumps on leaf undersides. EPPO recommends that planting material and produce of host plants of A. At emergence, the head is pale yellow, legs are whitish, and eyes are reddish-brown Figure 3.

Aleyrodidaeand its parasites in urban Florida in It has been recorded seriously affecting citrus in India David and Subramaniam, Pupae of citrus blackfly, Aleurocanthus woglumi Ashby, and the adult parasitoid, Amitus hesperidum Alfurocanthus A.

Adult females may survive up to six weeks. First record of occurrence of mosca-negra-dos-citrus, Aleurocanthus woglumi Ashby, Hemiptera: Aleyrodidae geostatistics analysis in agroforestry and monoculture systems in Oriental Amazon. In Brazil, CBF is considered woglummi one of major pest introduced in Citrus and has spread surprisingly over the various regions of the country [ 3 ].