Explauatiou of Plates. 



Plate X. 



(1) 



Oreyma lani(jera (Zehnt.) collected on MiscantJnis sp. 



l^Wiugiid viviparous female) 



Fig. 1. Antenna. Fig. 2. Fore wing. 



3. Head. 4. Abdominal apex. 



Vesiculapkis caricis (l''nll). 

 Fig. 5. Wingless viviparous female. 



Macrosiphum roscB (L.) 



(Wingless viviparous female) 



Fig. 6. Cauda. Fig. 7. 3rd antennal joint. 



8. Cauda of nymph. 



(2) 



Lachnus thujafolia Theobald. 



(Wingless viviparous female) 



Fig. 1. Adult. Fig. 2. Antenna (3rd joint). 



3. Antenna (4tb-(5th joints). 4. Hind leg. 



Macrosiphum formosanum n. sp. 



(Wingless viviparous female) 



Fig. 5. Adult. Fig. 6. Part of the 3rd antennal joint. 



7. Cornicle. 8. Cauda. 



