72 Annals Entomological Society of America [Vol. VIII, 
Aspidiotus hedere. 
Micropores six—one between second and third lobes, two 
at side of anal aperture. 
AspipiotuS HEDERAE Vall. 
Macropores about thirty-six, at caudal margin and in a 
rough diagonal row. Tubules short, sub cyllindric, truncate 
at apexes, which are not armed with pistons. 
Aspidiotus perniciosus. 
Micropores nine—one between median lobes and one in 
median lobe, give rise to filiform capitate tubules, two in second 
lobe, and one in third lobe are non-tubulate. 
ASPIDIOTUS PERNICIOSUS Comst. 
Macropores scattered, give rise to slender tapering tubules, 
ending capitate. All tubules armed terminally with fusiform 
stylet. 
