56 A MANUAL OP DANGEROUS INSECTS. 



Bemisia glSardi Kotinsky (Aleyrodes). 

 (Giffard White Fly. Family Aleyrodidse; Hemiptera.) 



Host: Citrus. 



Injury: Frequently abundant on citrus leaves, exuding honeydew copiously, 

 which forms a medium for the development of sooty fungus. 



Description and biology: Adult female about 0.69 mm. long. Pupa case greenish 

 with pm-plish red eyes, about 1.26 mm. long and 0.63 mm, wide. Eggs uniformly 

 dark brown in color, with apparently no pedicel. 



Distribution: Hawaii. (Supposedly an introduced species.) 

 Kotinsky, J. Bd. Agric. and Forestry, Hawaii, Div. Entom., Bui. 2, 1907, p. 94. 

 QuAiNTANCE AND Baker, Joum. Agric. Rcscarch, Vol. VI, p. 459 (1916). 



Aleurocantbus wogluml Ashby. 



(Spiny citrus white fly. Family Aleyrodidse; Hemiptera.) 



Hosts: Orange, Capparis roxburghi, Capparis pedunculosus, Citrus sp., Moras sp., 

 Salacia reticulata, Kurrimia zeylanica, Guaiacum officinale, and Cestrum noctumum. 



Injury: Infests the lower surface of the leaves. 



Description and biology: Immature stages black, spiny. Pupa case about 1.4 by .89 

 mm., elliptical; dorsum attached; eggs very small yellowish, sometimes reticulated. 



Distribution: India, Ceylon, Philippine Islands, Jamaica, Bahama and Cuba. 



Aleurothrixus porter! Quaintance and Baker. 

 (Porter's white fly. Family Aleyrodidse; Hemiptera.) 



Hosts: Orange, Solanaceous plants, Schinus dependens, Schinus molle. Jaboticaba, 

 Lippia citriodora, and Myrtus. 



Injury: Infests the lower surface of foUage. 



Description and biology: Pupa case .88 by ,50 mm., elliptical; dorsum somewhat 

 elevated, covered with cottony wax; the abdomen with a distinct keel; margin 

 incised. Adults yellow with dark brown eyes. Length, ,88 mm,, forewing 1,04 

 mm. long, without markings, but often uniformly clouded with dusky. 



Distribution: Chile and Brazil, 



Apate monachus Fabricius. 

 (Bostrychidse; Coleoptera.) 



Hosts: Orange, plum, almond, coffee, avocado. 



Jry wry; Very injurious. Bores in wood. 



Description and biology: Larva bores in bai'k and heai'twood; sap and twigs in 

 neighborhood of galleries blackened. 



Distribution: East and West Africa, Antilles, Europe. 

 SoRAUER, p. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 490. 



Leptostylus prsemorsus. 



(Bark-borer. Cerambycidae; Coleoptera.) 



Host: Citrus trees. 



Injury: Attacks the stems near the gi-ound or at the point of pruning, resulting in the 

 ultimate death of the tree. May be introduced in nursery stock. 



Description and biology: Adult brownish with long slender antennae. E^s are quite 

 likely laid in dead or dying portions of tree after pruning. 



Distribution: Lesser Antilles. 

 Ballou, H. a. Insect Pests of the Lesser Antilles, 1912, p. 81, 



