536 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvh. 



Plate XXXI. 



Fig. 26. Ahyrodes tentaculatus, pupa-case, dorsal view. 



27. Aleyrodes tentaculatus, pupa-case from side to sliow vertical wax base, and 



variation from fig. 26. 



28. Aleyrodes tentaculatus, pupa-case cleared of wax, showing marginal rim witli 



papillae. 



29. Aleyrodes tentaculatus, portion of marginal in detail. 



30. Aleyrodes tentaculatus, vasiform orifice of pupa-case with surrounding mar- 



ginal rim; a, operculum; h, lingula. 

 30a. Aleyrodes tentaculatus, same showing crescent-shaped thickenings of dorsum 

 cephalad of vasiform orifice. 



31. Aleyrodes glaciaUs, pupa-case. 



32. Aleyrodes glacialis, same with wax removed, shov.'ing dorsal pores and 



papillae. 



33. Aleyrodes glacialis, detail of caudal end of pupa-case, dorso-caudal furrow. 



Plate XXXII. 



Fig. 34. Aleyrodes inconspicuus, pupa-case. 



35. Aleyrodes inconspicuus, detail of dorsum of same. 



36. Aleyrodes inconspicuus, vasiform orifice with surrounding rim; a, opercu- 



lum ; h, lingula of pupa-case. 



37. Aleyrodes inconspicuus, parasite, dissected from pupa-case. 



37a. Aleyrodes inconspicuus, last abdominal segment of male, showing genitalia. 



38. Aleyrodes mori arizonensis, diagram showing variation in wing marking. 

 38a. Aleyrodes mori arizonensis, diagram showing crenulation of pupa-case. 



39. Aleyrodes mori, diagram showing crenulation of pupa-case. 



Plate XXXIII. 



Fig. 40. Aleyrodes pruinosus, adult, showing position of wings when at rest. 



41. Aleyrodes pruinosus, male, cleared of wax, showing markings. 



42. Aleyrodes pruinosus, abdomen of female, showing the variation from male 



in latero-ventral markings and width of segments 4 and 5. 



43. Aleyrodes pruinosus, dorso-abdominal markings of female. 



44. Aleyrodes pruinosus, last al)dominal segments of female with vasiform orifice; 



a, operculum; h, lingula; and c, genitalia. 



45. Aleyrodes pruinosus, detail of wing marking and main vein. 



46. Aleyrodes pruinosus, caudal end of larva, showing spines, lateral view of 



vasiform orifice; a, operculum; b, lingula. 



47. Aleyrodes jiiuinosuti, dorsal view of larval vasiform orifice; a, operculum; /*, 



lingula; c, minute, blunt tubes at apex of lingula. 



Plate XXXIV. 



Fk;. 48. Aleyrodes jyruinosus, fore wing. 



49. Aleyrodes pruinosus, hind wing. 



50. Aleyrodes pruinosus, border of wing. 



50«. Aleyrodes pruinosus, same, showing hairs, highly magnified. 



51. Aleyrodes pruinosus, head of adult; a, compound divided eye; h, ot-ellus; 



c, mentum; </, rostral settf ; e, antennae. 



52. Aleyrodes pruinosus, mentum of same showing suctorial tube. 



53. Aley7-odes pruinosus, antenna^ of same, highly magnified. 



54. Aleyrodes pruinosus, tarsi of same, front and sidi' view. 



55. Aleyrodes pndnosus, diagram showing typical alimentary tract and mouth 



parts of Aleyrodes. 



