1905.] 



29 



Male pupainiim (fig. ob) similar in form, colour and texture to that of ? . 

 Posterior tliird somewliat depressed and concave, as in male piiparia of parlatoria. 



Length, 1.75 to 2 mm. 



Adult ? (fig. 5c) elongate, narrow ; a transverse furrow and deep lateral cleft 

 approximately bisecting the insect, between meso- and meta-thorax Derm chitinous, 

 smooth. Some scattered longish, stout, spiniform hairs on ventral surface of meta- 

 thorax and abdominal segments. Margin of posterior half incurved ventrallj, the 

 incurved portion bearing a stout thorn-like process on each segment ; a pair of stout 

 chitinous spines on the venter of the mesothorax — close to the transverse furrow, 

 and a second pair on venter of first abdominal segment. A submarginal longitu- 

 dinal fold on each side. Pygidium (fig. ^d) rounded. Median lobes rather widely 





^--, 



separate, small but prominent, conical, slightly constricted at base. First lateral 

 lobe similar in form and size, followed by a smaller lobe, which— though separated 

 from it by a considerable interval — -corresponds to the outer lobule ot the duplex 

 lateral lobes in Lejjidosaphes and Chionaspis. Other lobes obsolete. Squames 

 spiniform, with dilated bases. No circumgenital glands. Length, 1.50 to 2 mm. 



Habitat : on Agave mexicana (No. 51). 



Differs from O. philococcus, Ckll., in the number of the pygidial 

 lobes. 



HeMICHIONASPIS ASPIDI8TB.a], Sign. 



On Pifer nigrum (No. 23) ; and Tlncaria gamhir (No. 88). 



HeMICHIONASPIS DHAC^N^, Cooley. 



On Pachira aquatica (No. 50). 



Chionaspis (Phenacaspis) varicosa, Green. 

 On Piper nigrum (Nos. 23 and 37). 



Chionaspis (Phenacaspis) dilatata, Green. 

 On Ficus sp. (No. 5L) ; Myristica fragrans (No. 75) ; Hevea 

 hrasiliensis (No. 81) ; and Willughbeia sp. (No. 93). 



Chionaspis vitis, Green. 

 On Loranthus sp. (Nos. 72 and 101). 



