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.

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Chrysomphalus aonidum

On ornamental plants, a non-specialist could confuse C. An annotated list of the scale insects Homoptera: Privacy policy About Bugwoodwiki Disclaimers. Pest populations have two yearly peaks; they attain their largest numbers in the autumn, drop during winter, and increase in mid-summer to decline again in late summer and then peak.

Scale Insects of Japan in Colours.

The aphelinid Aphytis holoxanthus DeBach from Israel has provided substantial control in both locations. Like other diaspidid scale insects, C. Each crawler walks to an exposed position on the plant, from which air currents may carry it as much as several tens chrysomphaluw kilometres away Greathead, Australian Centre for International Agricultural Research, pp. Formerly known as Chrysomphalus ficus Ashmead Taxonomic placing: Foldi, ; EPPO, gicus The metathorax has an elongate, pointed marginal spur present on either side.


The coccinellid, Rhyzobius lophanthae, is recorded as a useful predator of C. For chrysomphzlus identification, slide-mounted adult female specimens should be examined under a compound light microscope. Title Symptoms on leaves.

The vulva is surrounded by about 10 perivulvar pores on either side, plus a small cluster of pores in front.

Ecological Entomology, 12 3: Signophora fax is a primary or secondary parasitoid of C. The coccinellid Sukunahikona popei was described as a predator of C. A chryspmphalus fungus, Podonectria coccicola, has also been recorded killing C.

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The fecundity of the scale is affected by the season and by the host plant. Una nuova cocciniglia sugli agrumi ficuss Italia: Tao, ; EPPO, Development to adult takes weeks according to temperature. Heavy infestation of citrus foliage in New Caledonia resulted in death of trees Cohic, Chryomphalusrecently reported on citrus in southern Italy, may represent a new threat to Mediterranean citriculture.

CIE, ; Tao, ; Wong et al. Aktualne problemy w ochronie roslin ozdobnych przed szkodnikami. The coccinelid Chilocorus bipustulatus is an important predator. Bulletin of Entomological Research, 72 1: In South Africa, A.


Chrysomphalus aonidum – Bugwoodwiki

The second-instar nymphs are the main feeding stage in both sexes. Taxonomic Tree Top of page Domain: Aspidiotiphagus lounsburyi [Encarsia lounsburyi] was recorded attacking C. As global warming progresses, its distribution is likely to extend north- and southwards with the increase of citrus-producing areas.