ACACIA INSECTS. 9 



hav<3 not H^con dotcnuiiuKl or described. For this reason many im- 

 portant species are not included in the present edition. 



The larvae of weevils are white or yellowish with a dark head 

 shield and are usually found in a more or less curved position. Most of 

 them are ratli(>r robust and with a very few exceptions have no legs 

 or rudiments thereof. 



The pupa can alwa3's be distinguished by the presence of the beak 

 lying flattened between the legs. 



The adult weevils are distinguished b\ the prolongation of the head 

 into a beak. This nuiy be ver}' short and broad or very long and 

 slender. They are furthermore characterized by having the tarsi 

 four-jointed. Inspectors are urged to take every possible precaution 

 against the introduction of any species of weevils and where imnui- 

 ture or adult stages arc found they should immediate^ place them in. 

 akoliol and send them to Washington for determination. 



DANGEROUS FOREIGN INSECTS LIKELY TO BE INTRO- 

 DUCED IN THE UNITED STATES THROUGH IMPORTA- 

 TIONS, ARRANGED BY HOST PLANTS. 



ACACIA; WATTLES. 



(Acacia spp. Family Leguminosae,) 



This genus contaios several hundred species distributed throughout the world in 

 semi tropical and temperate climates. The gum arabic of commerce is derived from 

 Acacia Senegal; a drug of commerce is obtained from the wood of A. catechu; a soap 

 or hair wash from A. concinnn; others furnish dyes, fiber, scented wood, or valuable 

 timber. A number of species of this genus or very nearly related to it grow in our 

 Southern States. 



IMPORTANT ACACIA PESTS. 



UF.MIPTKRA. 

 CocddaD. 



Armored — 



Aspidiotus {Targionia) acacix Morgan; Xcw South Wales, Tasmaniu; Acacia pycnavtha. 



Aspidiotus tasmanix Green; Australia. 



Aspidintus (Pscudaonidia) quadriareolata Malenotti; Africa; A. asak. 



Fiorinia acacix Maskell; Australia, New Zealand; A. pycnantha, A. pulchella, A. longifolia. 



Lepidosaphes acacisK MaskelU Australia; A.linifoUa. 



Lepidosaphe.i spinifera Ma,ske\\; Australia; A.pendula. 



Lepidosaphes somalensis 'Ma.lenoiti; East Africa; A. asak. 



Pratodiaspis anomala Green; Australia. 



Pseudotargionia glandulosa Newstead; I'^gypt; A. nrnbica. 

 Unarmored — 



Akermes scrobiculatus Maskell; Australia. 



Akermes lens Maskell; Australia; A. longifolia. 



Asterolecanium ventruosum Maskell; Australia. 



Ceroplastes erUhrxus Leonardi; Africa. 



Ceroplantes wimosx Signoret; I'2gypt; A.arabica. 



Cryptes baccatus Maskell; Australia; A . armata, A . calamifoUa, A . linearis. A . longifolia, A . melanoiylon. 



Epicoccus acacix Maskell; West Australia; A. pulchella. 



Kervies acacix Ma.skell; Australia. 



Lecnniodiaspis acacix Ma.skell; West Australia; attacks A. calamifoUa, A. cyanophylla, A. micrO' 

 botrya, and A . longifolia. 



Lecnniodiaspis africawi Newstead; I''.};ypt; A. arabica. 



Lccaniodiaspis dilatata Froggatt; ,A.astraIia; A. discolor. 



Pscudococcus acacix Maskell; Australia; A . linearis, Albizzia lophanla. 



