Tech. Series 27 ; Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate II. 
■ 
' — S 
\ (-Tk. 
2 ? — Ces 
£-^Ts 
,—, 
X 
-Vd 
5v 
-GO 
_^6a>i 
Anatomical Details in the Aleyrodid/E. 
Pig. I.— Male reproductive organs: Ts, testis; IV, vas deferens; 8v, seminal vesicle; Gtf \r 
glandula mucosa; Ejd, ejaculatory duct. Fig. 2. Digestive tract: Sg, salivary glands; Ph. 
pharynx; Oes, oesophagus; GCa, gastric cseca; 4 n, anus; Lin, lingula. Fig. 3. -Labium of 
ileyrodea sp. E ig. i. Taste sensoria on lobe of apex of labium. Fig. 6.— Vasiform orifice, 
ventral view: 4 n, anus; Op, operculum; Lin, lingula. Fig. 6.- Diagram of genital segmenl 
o male Psylla: 8a, supraanal plate; Co, copulatory organ; Cla, claspers; Sbg, subgenital 
Plate. Fig. 7. Diagram ol genital segmenl of male A leurodicus: Sa, supraanal plate; Co, 
copulatory organ; Cla, claspers; Sbg, subgenital plate. (Original.) 
