First records of the alien species Chrysomphalus aonidum (Linnaeus, ) ( Diaspididae) on Chrysomphalus ficus Ashmead, ) were previously. Chrysomphalus aonidum (L.) (Formerly known as Chrysomphalus ficus Ashmead ). Taxonomic placing: Insecta, Hemimetabola, Hemiptera. The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of.
|Published (Last):||24 April 2007|
|PDF File Size:||10.92 Mb|
|ePub File Size:||7.92 Mb|
|Price:||Free* [*Free Regsitration Required]|
On citrus leaves only 20 crawlers were produced in the spring, 80 in summer and 44 in autumn. Aphelinidae to two pesticides commonly used in citrus orchards.
Forest Health Technology Enterprise Team. Bio-ecological studies on Chilocorus circumdatus Sch. Symptoms Top of page C.
In South Africa, expenditure on insecticide sprays to chryskmphalus the scale on citrus was high until the introduction of effective biological control of C. From California, it was introduced to Fics into Brazil into Egypt in and to Lebanon inbut the success of the last three introductions is not known Rosen and DeBach, State of Hawaii Department of Agriculture. The shield is purple-black, round and flat, about 2. Comperiella bifasciata was introduced to South Africa accidentally and was mass-reared and released, but could not compete with A.
The pest may be mass-reared on banana squash fruit. From This Paper Figures, tables, and topics from this paper.
Movement of infested planting material or produce is the main way in which C. De biologie en bestrijding van de rode citrusschildluis, Chrysomphalus ficus Ashm.
Countries with new or developing citrus industries just outside the currently known distribution of C. Datasheet Chrysomphalus flcus circular scale. Two and a Bud, 35 Content is available for non-profit, educational use under our Copyright Agreement. Don’t need the entire report?
In northern countries in its range, this species occurs under chrysomphslus. In the past this scale was one of the major pests of citrus in Israel, but following its complete biological control along the coastal plain, it ceased to be of economic importance. Journal of the Bombay Natural History Society, 2: The species has been intercepted in quarantine inspections in Oman and the Netherlands.
Distribution Table Top of page The distribution in this summary chrysojphalus is based on all the information available. The metathorax has an elongate, pointed marginal spur present on either side. Insects associated with oil palm in India. Pharoscymnus horni Weisea predator of Chrysomphalus ficus Ashm. Journal of the Australian Entomological Fivus, 17 4: Heavy infestations cause yellowing of the leaves, followed by defoliation of part or all of the host.
A redescription of C. Eggs hatch under the scale and the first-instar nymphs or crawlers walk about to find a suitable feeding site before settling to a sessile lifestyle.
Ceballos M; Hernandez M, The adult male is 0. World Crop Pests, Volume 4A. Outdoors in most tropical and subtropical regions of the world; in cooler areas within greenhouses. It is chrjsomphalus problem on coconuts in the Philippines Rose and DeBach, and was a serious pest of coconut in the Seychelles in the s, causing yellow patches on infested pinnae and death of whole leaves, leading to reductions in yield in severe outbreaks Vesey-Fitzgerald, The dorsal macroducts are one-barred, slender.
United States Department of Agriculture,