IDENTIFICATION OF ROCKY MOUNTAIN COCCID.E 191 



TACHARDIINiE 



Anal ring with numerous bristles .... Tachardia, blanchard 



TACHARDIA, blanchard. 

 Species on Parthenium incanum in Southern New Mexico . . cornuta, ckll. 



Species on Gutierrezia glomerella in the Mesilla Valley, N. M . glomerella, ckll.* 



DACTYLOPIIN^E 



Tribes. 

 Female enclosed in a complete sac of waxy or horny texture; skin usually with 



figure-of-8 glands; legs absent in adult; larva not fringed with spines Asterolecaniini 

 Female globular or reniform, with a hard shell; larva fringed with spines; occur- 

 ring only on oaks Kermesini 



Female not enclosed in a hard shell, or waxy* or horny sac, but often in a sac of 

 cottony texture; very rarely in a gall ...... 1 



1 . Newly hatched larva with rows of dorsal spines .... Eriococcini 



Newly hatched larva without rows of dorsal spines . \ . P seudococcini 



Asterolecaniini 



Antennae well-developed in adult female . Lecaniodiaspis, targioni-tozzetti 



Antennae rudimentary or absent in adult female; covering horny in texture; end of 

 abdomen not or hardly chitinous; scale with a caudal process ending with an 

 orifice ......... Solenophora, maskell 



LECANIODIASPIS, targioni-tozzetti 

 Outline oval; antennae 8-jointed (on various dicotyledonous shrubs, Colorado 



and New Mexico) rufescens (ckll.) 



Outline rounder; antennae 7-jointed (on Yucca and Dasylirion; New Mexico) 



yucca (townsend) 



SOLENOPHORA, maskell 

 Species having the aspect of a Lecaniodiaspis; on Artemisia in Northern New 

 Mexico ......... artemisice (ckll.) 



A typical Solenophora; on Atriplex canescens in Colorado . coloradensis, ckll. 



Kermesini 



Larva of the Eriococcine type Kermes, boitard 



1 A new species, without the projections of T. cornuta, discovered October 6, 1004, by Dr. David Grif- 

 fiths. The detailed description has been sent for publication to Entomological News. 



* An exception is Eriococcus negleclus, with a waxy sac, but the insect has all the structure of an Eriococcus, 

 and is very different from the Asterolecaniini. 



