154 THE COCCIDAE 



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

 reddish. Tachardina Ckll. 



Tac'hardia 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 ts 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 C'olobopyga magnani Brethes 

 was evidently referred to this subfamily through an oversight. 



Tachardina Ckll. — This genus contains a single species, albida 

 Ckll., vv-hich lacks an anal spine and has white lac. It was described 

 from Natal on Mimosa. 



