Preferred Scientific Name; Diabrotica speciosa. Preferred Common Name; cucurbit beetle. Taxonomic Tree; Domain: Eukaryota; Kingdom. Diabrotica speciosa speciosa Germar as Galeruca prasina Dejean (replacement name for speciosa Germar ). Diabrotica speciosa (Germar) and Diabrotica viridula F. (Coleoptera: Chrysomelidae) are the two most abundant species of the genus in South America, and.

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Also, the mobility of the beetles makes counting very imprecise because, for instance, they can fly away or hide more easily in the foliage of a soybean row than in the large, relatively isolated sunflower head. Chysomelidae in Pelotas, RS. The collection data of this species Table 3show specioas polyphagous species, but more closely associated to maize than D. The sole South American species of this group considered a pest is Diabrotica viridula F.

cucurbit beetle, Diabrotica speciosa Coleoptera: Chrysomelidae

Maxillary palpi and labrum black or chestnut. Cooperative Economic Insect Report, 7 2: Speiosa distribution in this summary table is based on all the information available.

Diabrotica speciosa speciosa is similar to D. Caracterizacion del tercer estadio larval de Diabrotica speciosa. In tropical areas, the cucurbit beetle reproduces continuously. The cucurbit beetle is reported to semi-persistently vector Passionfruit yellow mosaic virusMimosa mosaic virusand Purple granadilla mosaic virus. Cooperative Agricultural Pest Survey – Approved methods: Species of djabrotica fucata group, however, are generally multivoltine, polyphagous, and are not known to have species with diapausing eggs, but rather overwintering adults Krysan and Smith According to our caged experiments, this species can develop on potato.


It furthers the University’s objective of excellence diabotica research, scholarship, and education by publishing worldwide. A partial list includes:.

Of these, the genus Diabrotica Chevrolat includes the greatest number of pest species, including some of the most important row crop and vegetable pests of the Americas, be it the foliage, fruit- or flower-feeding adults, or the root-feeding larvae.

diabrotica beetle Diabrotica speciosa speciosa (Germar)

In this context, the South American virgifera group Diabrotica may have found a more benign climate, where suitable hosts were available most of the year, and overwintering as adults was possible, thus losing these traits, or never developing them. Their eggs did not diapause, nor did overwintering adults produce eggs in any way more resistant to cold.

Estudio sobre el g’nero Diabrotica Chev. Also, data on adult feeding hosts, and host range shifts related to the season, were gathered through direct observation in the field.

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Diabrotica speciosa fucata group larvae developed well on maize Zea mays L. Chrysanthemum beetle; San Antonio beetle Spanish: Development of laboratory reared D. This is likely the situation in Argentina with D.


More information about modern web browsers can be found at diabrofica This tool is part of the Citrus Resource. The eggs of D. Six colonies of D.

Laboratory test on host breadth of Acalymma and Diabrotica spp. Related articles in Web of Science Google Scholar.

Citrus Pests

CO 2 is the only volatile attractant. However, the fact is that the South American pest Diabrotica pose different problems to the North American species.

Host plant breadth speciisa importance of cu-curbitacins for the larvae of Diabroticites Galerucinae: Methods for the Study of Pest Diabrotica. Roel AR; Zatarin M, Larvae complete three instars while feeding on the roots of the host plant and pupate in the soil. Maize was considered the control host for Diabrotica spp.