154 THE COCCIDAE 



bb. Abdomen of adult female without anal spine; wax whitish, not 

 reddish. Tachardina Ckll. 



Tachardia Sign. This generic name has been restricted to those 

 species forming a large mass of wax. The lac insect of India, Tachardia 

 lacca, is the type of the genus. It is found on fig, banyan, Rhamnus, 

 Mimosa, Anona, etc. 



Tachardiella Ckll. This genus contains the greater number of 

 the species, over thirty from all parts of the world. The following spe- 

 cies have been described from America: caerulea Hemp, from Brazil; 

 cornuta Ckll. from New Mexico and Mexico on Parthenium; cydoniae 

 Hemp, from Brazil on Cydonia; cordaliae Leon, from Argentina on 

 Cordalia; argentina Dominguez from Argentina on Acacia; fulgens Ckll. 

 from Arizona and Mexico on Mimosa, Prosopis, Coursetia; fulvoradiata 

 Ckll. from Mexico on "Palo de gusano"; gemmifera Ckll. from Jamaica 

 on Chrysobalanus ; glomerella Ckll. from New Mexico on Gutierrezia; 

 ingae Hemp, from Brazil on Inga; larreae Comst. from southwestern 

 United States and Mexico on Larrea; lycii Leon, from Argentina on 

 Lycium; mexicana Comst. from Mexico on Mimosa; nigra Towns. & Ckll. 

 from Mexico on Acacia; parva Hemp, from Brazil on Myrtaceae; pustu- 

 lata Ckll. from Arizona; rosae Hemp, from Brazil on Rosa; rotundata 

 Towns. & Ckll. from Mexico on "Zicna, Guasima"; and rubra Hemp, 

 from Brazil on Cydonia and Croton. The Gascardia madagascariensis 

 Targ. is a species of Ceroplastes and the Colobopyga magnani Brethes 

 was evidently referred to this subfamily through an oversight. 



Tachardina Ckll. This genus contains a single species, albida 

 Ckll., which lacks an anal spine and has white lac. It was described 

 from Natal on Mimosa. 



