Unaspis citri ( Comstock, 1883 )

Mille, Christian, Henderson, Rosa C., Cazères, Sylvie & Jourdan, Hervé, 2016, Checklist of the scale insects (Hemiptera: Sternorrhyncha: Coccomorpha) of New Caledonia, Zoosystema 38 (2), pp. 129-176 : 144

publication ID	https://doi.org/ 10.5252/z2016n2a1
publication LSID	urn:lsid:zoobank.org:pub:90DC5B79-725D-46E2-B31E-4DBC65BCD01F
persistent identifier	https://treatment.plazi.org/id/457FF032-FF87-840E-FC78-5355FA51CCD1
treatment provided by	Felipe
scientific name	Unaspis citri ( Comstock, 1883 )
status

Treatment

Unaspis citri ( Comstock, 1883) View in CoL

Chionaspis citri Comstock, 1883: 100 View in CoL .

MATERIAL EXAMINED. — Bourail County (Gouaro), 28.IV.2002, on leaves of Citrus sp., S. Cazères coll., Rosa C. Henderson det. ( NZAC); Païta County (Karikaté), 2.IV.2013, P. Bouyé & A. Chan coll., on branch of C. sinensis cultivar Valencia Late (CXMNC) .

PUBLISHED RECORDS IN NEW CALEDONIA. — The species has been present since 1928 ( Williams & Watson 1988a) and was recorded by Cohic (1956, 1958a).

DISTRIBUTION IN NEW CALEDONIA. — All over the New Caledonian Archipelago.

OTHER RECORDS. — Almost cosmopolitan.

HOST- PLANTS IN NEW CALEDONIA. — Citrus spp.

BIOLOGICAL AGENTS. — Aphytis chrysomphali ( Hymenoptera : Aphelinidae ) and the entomopathogenic fungus Fusarium coccidicola (Fungi, Hypocreales , Nectriaceae ) ( Cohic 1956, 1958a).

NOTES. — This is the most economically important scale insect in New Caledonia, despite the presence of A. chrysomphali . At least four summer oil applications must be sprayed per year to control U. citri .