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 24View FIGURE 24, 25View FIGURE 25)

Coccus hesperidum Linnaeus, 1758: 455  .

Diagnosis. Dorsum with setae cylindrical, pointed apically ( Fig. 25EView FIGURE 25); tubular ducts present or absent ( Fig. 25FView FIGURE 25); duct tubercles present ( Fig. 25BView FIGURE 25); and preopercular pores present anterior to anal plates ( Fig. 25GView FIGURE 25). Marginal setae spinose, with pointed, bifid or fimbriate apices ( Fig. 25AView FIGURE 25). Venter with multilocular disc-pores each usually with 10 loculi ( Fig. 25IView FIGURE 25); tubular ducts each with a narrow inner ductule, some present around each pro- and mesocoxa ( Figs 24DView FIGURE 24, 25MView FIGURE 25); pregenital setae numbering 3 pairs; antenna 7 segmented ( Figs 24CView FIGURE 24, 25PView FIGURE 25); and legs with a tibiotarsal articulatory sclerosis ( Figs 24EView FIGURE 24, 25LView FIGURE 25) (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