Baker & Moles.— the aleyrodid-e üf south ameriua 647 



Qiiauítaiice. A. L., and Baker, A. C. 



1913. «Classification of the Alevrodidae». Tech. Ser. 27. Pt. 1. 



Bur. Ent. U. S. Dept. Agri. 



1914. «Classifieation of the Alevrodidae.^. Tech. Ser. 27. Pt. 2. 



Bur. Ent. U. S. Dept. Agrie. 



1915. «A new genus and species of Aleyrodidae from British 



Guiana». Ann. Ent. Soc. of Amer.. Vol VIII. pp. 369-371. 

 1917. «A Contribution to our Knowledge of the WhiteFlies of the 



Sub-family A leyrodinae (Aleyrodidae)». Proc. U.S. Xat. 



Mus.. Vol. .51. 

 Bileij, C. V. and Houard, L. O.. 



1893. «The Coconut and Guava Mealy AVing» (Aleurodicus cocois, 



Curtis ?). Ins. Life. Vol. 5. pp. 314-317. 

 Westuood. G. O. 



1856. «The Xew Alevrodes of the Greenhouse». The Gardener's 



Chroniele, 1856. pp. 852. 



Explaiiation of plates 



LAM. LXVI 



Diagraiiis of Aleyrodid Structures 



Fig. A. — Pupa case. Fig. B.— Compound wax pores. Fig. C. — Foot 

 of subfamily Aleyrodinae. F.ig D. — Foot of subfamily Aleurodicinae. 

 Fig. E. — Head. Fig. F. — Vasiform orífice. (Original). 



LAM. LXVII 



Anatomical üetails in the Aleyrodidae 



Fig. A.— Male reproductive organs: Ts. testis: Vd. vas deferens; 

 Sv. seminal vesicle: GdM, glándula mucosa: Ejd. ejaculatory dnct. 

 Fig. B.— Digestive tract: Sg, salivary glands; Ph. pharynx: Oes. oeso- 

 phagus: GCa. gastric caeca: An, anus: Lin. lingula. Fig. C— Labium 

 oí A¡ri/rodes ap. Fig. D. — Taste sensoria on lobe of apex of labium. 

 Fig. É — Vasiform orífice, ventral view. An. anus: Op. operculum; Lin, 

 lingula. Fig. F.— Diagram of genital segment of male Psylla: Sa, su- 

 praanal píate; Co, copulatory organ; Cía. claspers; Sbg. subgenital 

 píate. Fig-. G. — Diagram of genital segment of male Aleurodicus: Sa. 

 supraanal píate; Co, copulatory organ: Cía, cla.spers: Sbg, subgenital 

 píate (Original). 



LAM. LXVIIl 



Wing Aenation in tlie Aleyrodidae 



Fig. A.— Theoretical origin of the veins of the psyllid genus Trio- 

 sa, showing tracheae. Fig. B.— Forewing of Trioza sp. Fig. C— Theo- 

 retical origin of the veins of Alej-rodidae. showing tracheae. Fig. D.— 

 Forewing of Udanioselis piqmenlaria. Fig. E.— Forewing of Diaienro- 

 díciis coch-erelli. Fig. F.— Forewing of Alenrodicus conspurcatus. Fig. G. 



