The phenology of soft wax scaleCeroplastes destructor(Hemiptera: Coccidae) on tangelo in Kerikeri

Autor:	M. H. Olson, Peter L. Lo, R. H. Blank
Rok vydání:	1993
Předmět:	Wax Scale (anatomy) Phenology Voltinism Biology biology.organism_classification Hemiptera Citrus paradisi Insect Science visual_art Botany visual_art.visual_art_medium Instar Coccidae
Zdroj:	New Zealand Entomologist. 16:25-29
ISSN:	1179-3430 0077-9962
DOI:	10.1080/00779962.1993.9722646
Popis:	The phenology of soft wax scale, Ceroplastes destructor (Newstead) (Hemiptera: Coccidae), was monitored on Seminole tangelo (Citrus paradisi (Macfadyen) x C. reticula (Blanco)) trees in 1988189 and 1989190 at Kerikeri. The scale was univoltine at Kerikeri. First instar crawlers were first found on leaves in early December. These gave rise to 1st then 2nd instar ray stages which were most abundant on leaves over December and January. After 4-5 weeks the rays then moved to their final position on the wood and changed to the 3rd instar peak stage. These were abundant over March and April before changing into the 4th instar adults. The scale overwintered as both peaks and adults. In spring there was a rapid increase in gravid adults with oviposition under the female body commencing in early November. Crawlers began to hatch from the eggs in early December and moved out from under the wax test to form the next generation.
Databáze:	OpenAIRE
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