Coccus Linnaeus, 1758
publication ID |
https://dx.doi.org/10.3897/zookeys.244.4045 |
persistent identifier |
https://treatment.plazi.org/id/C43D1A21-CDD4-9B9A-CFDD-5704CC607583 |
treatment provided by |
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scientific name |
Coccus Linnaeus, 1758 |
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Genus Coccus Linnaeus, 1758
Coccus Linnaeus, 1758: 455-457. Type species: Coccus hesperidum Linnaeus, 1758.
Generic diagnosis.
Adult female. Body oval, elongate or pyriform; usually flat, moderately convex, or nearly hemispherical. Dorsum. Derm membranous; gradually i ncreasing in thickness during ageing. Dorsal setae setose, spinose, clavate or cylindrical. Dorsal tubular ducts and dorsal submarginal tubercles present or absent. Preopercular pores present or absent, varying in number and shape. Anal plates together quadrate. Anal ring with 6 or 8 setae. Margin. Marginal setae simple to branched; stigmatic clefts deep or shallow, each with 2-8 stigmatic spines. Venter. Antennae 2-8 segmented. Legs well developed or reduced; with or without a tibio-tarsal articulatory sclerosis. Spiracular disc-pores with 5 loculi. Pregenital disc-pores mainly with 10 loculi, present around anal opening, or extending anteriorly, even as far as head. Ventral tubular ducts present or absent; when present located medially, or forming a sparse or dense submarginal band.
Key to adult female Coccus known from China
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