Species Eucalymnatus tessellatus (Signoret, 1873)

Museums

Museum list

Regional Maps

Species Eucalymnatus tessellatus (Signoret, 1873)

Cochonilha-reticulata, Palm Scale, Tessellated Scale

Lecanium tessellatum Signoret, V. 1873. Essai sur les cochenilles ou gallinsectes (Homoptères – Coccides), 11e partie. Annales de la Société Entomologique de France 5 3: 395-448 [401].
Lecanium perforatum Newstead, R. 1894. Observations on Coccidae (No. 10). Entomologist's Monthly Magazine 30: 232-234 [233].
Lecanium tessellatum swainsonae Cockerell, T.D.A. 1897. Note on Lecanium tessellatum. Bulletin of the Botanical Department, Jamaica 4: 109 [109].
Lecanium subtessellatum Green, E.E. 1904. The Coccidae of Ceylon. London : Dulau & Co. Vol. 3. [206].
Lecanium tessellatum obsoletum Green, E.E. 1922. Supplementary notes on the Coccidae of Ceylon. Part IV. Journal of the Bombay Natural History Society 28: 1007-1037 [1024].

Taxonomic Decision for Synonymy

Green, E.E. 1907. XII. Notes on the Coccidae collected by the Percy Sladen Trust Expedition to the Indian Ocean: supplemented by a collection received from Mr. R. Dupont, Director of Agriculture, Seychelles. Transactions of the Linnean Society of London 2nd Series Zoology 12: 197-207 [205] (synonymy of Lecanium subtessellatum Green, 1904)
Green, E.E. 1922. Supplementary notes on the Coccidae of Ceylon. Part IV. Journal of the Bombay Natural History Society 28: 1007-1037 [461] (synonymy of Lecanium perforatum Newstead, 1894)
Green, E.E. 1937. An annotated list of the Coccidae of Ceylon, with emendations and additions to date. Ceylon Journal of Science 20(Section B. Zoology and Geology): 277-341 [300] (synonymy of Lecanium tessellatum obsoletum Green, 1922)
Ray, C.H. & Williams, M.L. 1981. Redescription and lectotype designation of the tessellated scale, Eucalymnatus tessellatus (Signoret) (Homoptera: Coccidae). Proceedings of the Entomological Society of Washington 83: 230-244 [231] (synonymy of Lecanium tessellatum swainsonae Cockerell, 1897)

Distribution

States

New South Wales

Ecological Descriptors

Sap-feeder.

ID Keys

(Kosztarab, M., 1996) [324] (female; northeastern North America); (Ezzat, Y.M. & Hussein, N.A., 1969) [373] (female; Egypt)

GENERAL

Description and illustration of adult female by Zimmerman, E.C. 1948. Homoptera: Sternorrhyncha. pp. 268 in Zimmerman, E.C. (ed). Insects of Hawaii. Honolulu : University of Hawaii Press Vol. 5 464 pp., Ezzat, Y.M. & Hussein, N.A. 1969. Redescription and classification of the family Coccidae in U.A.R. (Homoptera: Coccoidea). Bulletin de la Société Entomologique d'Egypte 51: 359–426, Tao, C.C.C., Wong, C.Y. & Chang, Y.C. 1983. Monograph of Coccidae of Taiwan, Republic of China (Homoptera: Coccoidea). Journal of Taiwan Museum 36: 57–107, Hamon, A.B. & Williams, M.L. 1984. The soft scale insects of Florida (Homoptera: Coccoidea: Coccidae). In, Arthropods of Florida and Neighboring Land Areas. Gainesville : Fla. Dept. of Agric. & Consumer Serv. Div. Plant Ind. 194 pp., Gill, R.J. 1988. The Scale Insects of California: Part 1. The Soft Scales (Homoptera : Coccoidea : Coccidae). Sacramento, California : California Dept of Food & Agriculture 132 pp., Williams, D.J. & Watson, G.W. 1990. The Scale Insects of the Tropical South Pacific Region. Pt. 3: The soft scales (Coccidae) and other families. London : CAB International Institute of Entomology 267 pp., Tang, F.T. 1991. [The Coccidae of China]. Taiyuan, P. R. China : Shanxi United Universities Press, Hodgson, C.J. 1994. The scale insect family Coccidae: an identification manual to genera. Wallingford, Oxon, UK : CAB International Institute of Entomology 639 pp. and by Granara de Willink, M.C. 1999. [Soft scale insects of Argentina (Homoptera: Coccoidea: Coccidae)] Las cochinillas blandas de la República Argentina (Homoptera: Coccoidea: Coccidae). Contributions on Entomology, International 3(1): 1–183.

SYSTEMATICS

Slide-mounted specimens of young, untessellated females resemble, and might be confused with females of Coccus hesperidum.

STRUCTURE

Adult female 2–5 mm long; oval or pyriform in outline; flat; colour red to dark brown. Fully grown female distinguished by the dorsal pattern of polygonal areas (tessellations). See colour photograph in Kawai, S. 1980. Scale insects of Japan in colors. Tokyo : National Agricultural Education Association 455 pp. [fig. 6.15], Wong, C.Y., Chen, S.P. & Chou, L.Y. 1999. [Guidebook to Scale Insects of Taiwan.]. Wufeng, Taichung, Taiwan : Taiwan Agricultural Research Institute 98 pp.. Colour photograph of the general appearance of the adult female given by Carvalho, J.P. & Aguiar, A.M.F. 1997. [Citrus pests in the Island of Madeira] Pragas dos citrinos na Ilha da Madeira. Madeira : Secretaria Regional de Agricultura, Florestas e Pescs 411 pp..

ECONOMIC AND CONTROL

An occasional pest in greenhouses in USA, Florida (see Dekle, G.W. 1973. Tessellated scale, Eulcalymnatus tessellatus (Signoret) (Homoptera; Coccidae). Entomology Circular, Florida Department of Agriculture and Consumer Services Division of Plant Industry. No. 138.). Natural enemies listed by Borchsenius, N.S. 1957. Subtribe mealybugs and scales (Coccoidea). Soft scale insects Coccidae. Vol. IX. Fauna SSSR. Zoologicheskii Institut Akademii Nauk SSSR ns 66: 1–493.