LULU f 0 
'■ Figure 9. Longitudinal section (2 fji thick) through the glandular area of the fifth gastral sternite of P.fuscatus. Anterior is to 
the right. GC=glandular cells; E=epidermis; IM=intersegmental membrane; AT=adipose tissue; CD=glandular cell duct. 
Figure 10. Longitudinal section (2 fj thick) through the glandular area of the fifth gastral sternite of P. canadensis. Anterior is to 
the right. GC=glandular cells; E=epidermis; AT=adipose tissue. 
