Maskell. — 0)1 CoccidaB. 409 



lia; but the forest-trees being spoken of merely in general 

 terras makes it seem most probable that they are indigenous 

 to both countries. At some future time the species may be 

 found in other tropical or subtropical lands. 



INDEX TO PLATES XVI.-XXIII. 



Plate XVI. 



Larval Cluiracters of Coccidse. 



Fig. 1. Diaspidincn : a, abdomen ; b, antenna; c, foot. 



Fig. 2. Lecanincs : o, abdomen ; 6, abdomen after pressure ; c, antenna; 



d, foot. 

 Fig. 3. Hemicoccince : Letters as above. 

 Fig. 4. Acanthococcina : Letters as above. 



Plate XVII. 

 Larval Characters of Coccidse. 



Fig. 1. Dactylophice : a, a.hioraen oi Dactylopms ; b, abdomen oi Biper- 



sia ; c, antenna ; d, foot. 

 Fig. 2. Idiococcincc : a, abdomen of Cylindrococcus ; b, abdomen of 



SpJuerococcns ; c, antenna; rf, foot. 

 Fig. 3. MonophlebincB : a, abdomen of Mojiophlebus ; b, abdomen of 



Icerya ; c, antenna; d, foot. 

 Fig. 4. Brachyscelince : a, abdomen of Brachyscelis ; b, abdomen of 



Tacliardia; c, antenna; d, abnormal antenna 



of T . melaleuccc ; e, foot. 



Plate XVIII. 



Fig. 1. Aspidiotus hakcce, insects on bark. 



Fig. 2. „ abdomen of adult female. 



Fig. 3. „ posterior extieuuty of second pellicle. 



Fig. 4, „ diagram of larval pellicle. 



Fig. 5. „ larva (early). 



Fig. 6. „ second stage of male. 



Fig. 7. Aspidiotus virescens, insects on leaf. 



Fig. 8. „ puparia, female and male. 



Fig. 9. „ abdomen of adult female. 



Fig. 10. „ margin of adult female, enlarged. 



Fig. 11. Aspidiotus eucalypti, var. comatus, abdomen of adult female. 



Plate XIX. 



Fig. 1. Mytilaspis acaciiv, female and male puparia on separate pieces 



of bark. 

 ,, abdomen of adult female. 



Mytilaspis banksice, insects on leaf. 

 „ adult female. 



abdomen of adult female. 

 Mytilaspis vielaleiicte, abdomen of adult female. 

 Chionaspis prunicola, var. thea', insects on leaf. 



„ puparia, female and male. 

 Chionaspis spartina, var. natalensis, insects on grass. 



puparia, female and male, 

 abdomen of adult female. 



