Duplachionaspis divergens (Green)

Malumphy, Chris, 2014, An annotated checklist of scale insects (Hemiptera: Coccoidea) of Saint Lucia, Lesser Antilles, Zootaxa 3846 (1), pp. 69-86 : 75

* Duplachionaspis divergens (Green) ( Fig. 1 , C)

An Asian species that has a patchy distribution in tropical areas of North and South America, and Australia; oligophagous on grasses ( Poaceae ); a minor pest of sugarcane and lemon grass.

Collection data. In all cases the scales were present in large numbers causing chlorosis and distinct purple marks on the foliage. Gros-Islet Parish: Rodney Bay , on Cymbopogon citratus (Poaceae) and various grasses, 19 and 28.viii.2013 , Mt. Pimard , on various broad-leaved grasses, 25–29.viii.2013 .

Figures

FIGURE 1. Examples of scale insect pests in Saint Lucia. A, Ceroplastes stellifer; B, Philephedra broadwayi on soursop; C, Duplachionaspis divergens on grass; D, Fiorinia proboscidaria on lime; E, Pseudaulacaspis cockerelli on oleander; F, Pseudaulacaspis pentagona; G, Crypticerya genistae; H, Insignorthezia insignis; I, Lepidosaphes tokionis on croton; J, Pinnaspis strachani on soursop; K, Praelongorthezia praelonga on sea grape; L, Ferrisia dasylii on croton; M, Ferrisia virgata and other mealybugs on sugar apple; N, Nipaecoccus nipae on palm; O, Planococcus minor on croton. © C. Malumphy, except B, D, F, FERA