NDLI: Metaphycus anneckei and Metaphycushageni: two discrete speciesparasitic on black scale, Saissetia oleae

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Metaphycus anneckei and Metaphycushageni: two discrete speciesparasitic on black scale, Saissetia oleae

Content Provider	Springer Nature Link
Author	Daane, K.M. Barzman, M.S. Caltagirone, L.E. Hagen, K.S.
Copyright Year	2000
Abstract	Parasitized black scale, Saissetia oleae, were collected from olives(Olea europaea L.) in Spain and from thismaterial an encyrtid parasitoid was reared that istaxonomically similar to Metaphycus anneckeiGuerrieri and Noyes. Differences were noted betweenthe Spanish Metaphycus nr. sp. anneckeiand material described as M. anneckei that isresident to California. Although dissimilar in fewmorphological characters, the ovipositor length andshape of the male genitalia and the antennal club ofboth sexes can be used to discriminate between M.anneckei resident to California and the Spanishmaterial, which was subsequently named Metaphycushageni Daane and Caltagirone. To determine ifmorphological differences correspond to biologicaldifferences, reproductive and oviposition behavioursof Californian M. anneckei and SpanishM. hageni were studied. Mating was not observedbetween individuals of the two types and only maleprogeny were produced in interspecific pairings. Metaphycus anneckei females deposit eggs through thescale's ventral side and were never observed to hostfeed, while M. hageni females oviposit throughthe scale's dorsum and frequently host fed. Thecollective biological evidence agrees withmorphological evidence, indicating that M.anneckei and M. hageni are discrete species. Specimens from recent collections in California andSpain were compared with specimens from earliercollections (1910s to 1980s) in Australia, California,Greece, Hawaii, Italy, Israel, Mexico, and SouthAfrica. With the exception of Greek and Spanishmaterial, all specimens examined were M.anneckei. We discuss the significance of this newinformation with respect to biological control andprovide a key to separate these and other closelyrelated black scale parasitoids.
Starting Page	269
Ending Page	284
Page Count	16
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	45
Issue Number	3
e-ISSN	15738248
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Evolutionary Biology Plant Sciences Plant Pathology Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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Metaphycus anneckei and Metaphycushageni: two discrete speciesparasitic on black scale, Saissetia oleae