EXPLANATION OF PLATE CLXLX. 



(LaCHNODIUS HUMBOLDTLl^..) 



Fig. I. Branch of Humboldtia, with internodes cut open to show insects 

 in situ, nat. size. 



2. Adult female, dorsal view, x lo. 



3, 4, 5. Several forms of antenna, x 235. 



6. Mid leg, x 135. 



7. Posterior extremity of female, x 135. 



8. Anal ring, x 500. 



9. Dermal spines and pores, x 700. 



