Coccus hesperidum Linnaeus, 1758

Choi, Jinyeong, Soysouvanh, Pheophanh, Lee, Seunghwan & Hong, Ki-Jeong, 2018, Review of the family Coccidae (Hemiptera: Coccomorpha) in Laos, Zootaxa 4460 (1), pp. 1-62: 29

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Coccus hesperidum Linnaeus, 1758


Coccus hesperidum Linnaeus, 1758 

( Figs 24 View Figure , 25 View Figure )

Coccus hesperidum Linnaeus, 1758: 455  .

Diagnosis. Dorsum with setae cylindrical, pointed apically ( Fig. 25E View Figure ); tubular ducts present or absent ( Fig. 25F View Figure ); duct tubercles present ( Fig. 25B View Figure ); and preopercular pores present anterior to anal plates ( Fig. 25G View Figure ). Marginal setae spinose, with pointed, bifid or fimbriate apices ( Fig. 25A View Figure ). Venter with multilocular disc-pores each usually with 10 loculi ( Fig. 25I View Figure ); tubular ducts each with a narrow inner ductule, some present around each pro- and mesocoxa ( Figs 24D View Figure , 25M View Figure ); pregenital setae numbering 3 pairs; antenna 7 segmented ( Figs 24C View Figure , 25P View Figure ); and legs with a tibiotarsal articulatory sclerosis ( Figs 24E View Figure , 25L View Figure ) (partially adopted from Hodgson 1994; Hodgson & Henderson 2000).

Material examined. 10 ♀♀, LAOS, Phou Khao Khuay National Bio-Diversity Conservation Area, Thaphabath Dist., Bolikhamsai Prov., 4.v.2015, coll. J.Y. Choi, on Citrus sp. ( Rutaceae  ); 3 ♀♀, Xaythany Dist., Vientiane Prov., 26.i.2015, coll. P.P. Soysouvanh, on Mangifera indica  L. ( Anacardiaceae  ); 2 ♀♀, Pakngum Dist., Vientiane Prov., 13.i.2016, on Psidium guajava L. ( Myrtaceae  ) (same collector).

Hosts. Highly polyphagous. According to García Morales et al. (2016), C. hesperidum  has been recorded from plants belonging to 346 genera in 121 families. In Laos, it has been recorded on Dracaena  sp. ( Asparagaceae  ) and Mangifera indica  ( Anacardiaceae  ) ( Suh & Bombay 2015; Soysouvanh & Hong 2016).

Distribution. All zoogeographical regions; Oriental Region ( India, Indonesia, Laos, Malaysia, Philippines, Taiwan, Thailand and Vietnam) ( Suh & Bombay 2015; Soysouvanh & Hong 2016; García Morales et al. 2016).

Economic importance. Coccus hesperidum  is one of the most widely distributed and polyphagous scale insects ( Williams & Watson 1990). Economically, it is considered to be a common pest of various ornamental plants and agricultural crops, such as citrus, guava (Psidium guajava) and mango ( Mangifera indica  ) ( Kapranas et al. 2007).

Remarks. Coccus hesperidum  seems to be closely related to C. elatensis Ben-Dov  , C. gymnospori ( Green, 1908)  and C. moestus De Lotto  , but is easily differentiated by having 7-segmented antennae; the other three species all have 8-segmented antennae ( Ben-Dov 1981).














Coccus hesperidum Linnaeus, 1758

Choi, Jinyeong, Soysouvanh, Pheophanh, Lee, Seunghwan & Hong, Ki-Jeong 2018


Coccus hesperidum

Linnaeus, 1758 : 455