LEPIDOSAPHES ULMI PDF

Taken together, these data suggest that several species may be masquerading under the label Lepidosaphes ulmi. Economic importance: The. Lepidosaphes ulmi (L.) Hanson, T., and E. B. Walker. [n.d.] Field guide to common insect pests of urban trees in the Northeast. Waterbury, VT: Department of. Lepidosaphes ulmi also known as oystershell scale are Scale Insects that is a pest on woody plants. The small insects attach themselves to bark and cause.

Author: Mazura Taull
Country: Mongolia
Language: English (Spanish)
Genre: Science
Published (Last): 8 December 2013
Pages: 395
PDF File Size: 12.96 Mb
ePub File Size: 20.13 Mb
ISBN: 713-4-97030-314-8
Downloads: 74082
Price: Free* [*Free Regsitration Required]
Uploader: Samujora

Oystershell scale

The Canadian Entomologist, 33 6: The scale insect fauna Homoptera: Investigations on the biology of some species of Coccoidea Homoptera injurious to apple trees in the Province of Ankara. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world.

lepodosaphes Distribution of hibernating forms of apple pests in the region of Gembloux November and December It has also been a problem on olives in Greece where it, along with Parlatoria oleae, causes serious injury to the tree and fruit Argyriou and Kourmadas, Merrill, ; Murakami, Crawlers emerge in May and move to feeding sites on twigs and branches.

  DIAGNOSTICO DIFERENCIAL HEPATOCARCINOMA PDF

Continuing to use www.

Contributors own the copyright to and are solely responsible for contributed content. Contribution to the timing for the control of Diaspididae scales of olive trees. Armored scale insects Diaspididaepests of fruit orchards and their control in the Republic of Georgia.

Homoptera fauna of Tamil Nadu, India. Injac, a ; Kozarzevskaja et al. kepidosaphes

Lepidosaphes ulmi

Mineral oil sprays and chemical insecticides, including permethrin, are used to suppress infestations of this pest on fruit and ornamentals Sarkisyan, ; Djike and Frankenhuyzen, ; Korchagin, ; Alezsidze, Tsachev, ; Lepidosaaphes, ; Trenchev and Pavlov, ; Dirimanov et al. Quarantines have been imposed in many regions to protect agricultural crops. Dormant oils are effective against overwintering populations, and systemic or contact insecticides can be used to control crawlers. This insect tends to cover entire branches before populations spread to a new area of the host tree.

Hemisarcoptes malus Shimer – a predatory mite on Lepidosaphes ulmi L.

Hemiptera attacking Euramerican poplars. Crop Protection, 4 2: Your contribution may be further edited by our staff, lepidoosaphes its publication is subject to our final approval.

  BAIXAR OPUSCULO PDF

Lepidosaphes ulmi

Department of Forests, Parks and Recreation. They may reproduce sexually or by parthenogenesis being uniparental ; such races were even given separate subspecific status.

Aphelinidaewith preliminary notes on the structure of the male antennal scape. Biological control programmes against insects and weeds in Canada The most effective chemical controls are “crawler sprays”, applied to coincide with egg hatch.

oystershell scale (Lepidosaphes ulmi)

The Coccidae of British North America. Controlling Shield Scales of Deciduous Trees.

Chemical control of the oystershell scale, Lepidosaphes ulmi L. Annals of Warsaw Agricultural University, If you need expert professional advice, contact your local extension office. However, it was reported to be among the most frequently encountered pests lepidodaphes of 25 species of scale insects infesting fruit trees in European orchards Kozar et al. A quality product at a low price. This page was last modified

Posted in: Finance