A NEW SCALE-líí^SEOT ON AGAVE 



T- ID. J^. OOCK:Brí,EX.X.. 



Neolecanium herrerae. n. sp. Female scale 4^ to 5 mm. long., 

 almost circular, slightly convex (about as in L. UrichiJ, £er- 

 ruginous with a few dark spost, under sidé palé. 



Younger examples are light reddish-orange, 



After boiling in liquor potassae, the insects remain red- 

 dish-brown. Caudal incisión about 1 ^ mm. long. Skin crowded 

 witli round or suboval hyaline spots, whiob have an average • 

 diameter of about 15 micromillimeters; these spots are rather 

 more abundant in the middle of the dorsum than near the sides. 



Margin thickened, without spines. Spiracles large; poste- 

 rior pair each with four large tracheae, anterior ones with one 

 large trachea and two or three smaller. Antennae and legs 

 rudimentary; antennae about 105 micromillimeters longj legs 

 ' about the same size, the fémur not much longer than broad. 



Hab. Puebla, México, on Agave; received from Mr. A. L. 

 Herrera. 



The genus Neolecanium, Parrot (proposed as a subgenus), 

 includes also the following species heretofore referred to Le- 

 canium, Neolecanium imbricatum ( Ckll. ), N. Urichi (Okll.), N.per' 

 convexum (Ckll.), N. tuberculatum (Towns et Ckll.) and N. iSil- 

 veirai (Hempel). 



