530 PROCEEDINGS OF THE NA TIONAL MUSEUM. vol. xxvii. 



same shape and nearly tilling the orifice. Lingula .spatulate, about 

 length of orifice, enlarged at distal end, which i.s densel}" setose. 

 Latero-cephalad of the vasiform orifice are a pair of minute spines. 



Eye-spots large, bright red. Legs functional. Antenna> as long as 

 one-half width of larva; segment 1, short, about as broad as long; 

 segment 2, about the same length and tapering slightly; the remain- 

 ing portion is unsegmented, slender, closely ringed with minute hairs 

 and ends distally in a finger-like process tipped with a hair. 



47. ALEYRODES ACACIA Quaintance.« 



Plate XXVII, lig. 6. 



Collected by the author on RJuiiunux calif ornica.. Campus, Leland 

 Stanford Junior University, immature stages found on the undersides 

 of the leaves, together with ^-1. ii-ldescens^ A. Hpltiulena., and A. errans 

 during April and May, 1902. Adults unknow^n. 



48. ALEYRODES TRACHEIFER Quaintance.'' 



49. ALEYRODES QUERCUS-AQUATIC^E Quaintance.c 



50. ALEYRODES ABNORMIS Quaintance.' 



51. ALEYRODES PERGANDEI Quaintance. c 



52. ALEYRODES PLUMOSUS (Quaintance)./ 

 53. ALEYRODES FITCHI Quaintance.!/ 



54. ALEYRODES FLORIDENSIS Quaintance.^i 



55. ALEYRODES VITTATUS ( Quaintance). « 



56. ALEYRODES ALTISSIMUS ( Quaintance ).i 



57. ALEYRODES PERSE/E Quaintance. >(■ 



58. ALEYRODES VARIABILIS Quaintance./ 



59. ALEYRODES SPIR^OIDES Quaintance. '« 



Plate XXXV, tigs. 56-60. 



Egg. — Size. 0.3 by 0.13 mm.; pedicel, 0,083 mm. ; shell covered with 

 polygonal markings; oval, base more pointed than usual; when first 

 laid it is white, but as the embryo develops the color becomes gradu- 



« Contributions toward a Monograph of the American Aleurodidte (U. S. Agr. 

 Dept., Division of Entomology. Technical Ser. 8, p. 19.) 



& Idem p. 38. f Idem p. 35. J Idem p. 20. 



c Idem p. 33. 9 Idem p. 24. ^ Idem p. 32. 



'adem p. 71. A Idem p. 26. adem p. 39. 



( Idem p. 31. i Idem p. 42. 



'"Contributions toward a Monograph of the American Aleurodidse. (XJ. S. Agr. 

 Dept. Division of Entomology. Technical Ser. 8), p. 36. 



