FIGURE 8 in Systematics, biogeography and host-plant relationships of the Neotropical jumping plant-louse genus Russelliana (Hemiptera: Psylloidea)

FIGURE 8. Russelliana spp., head, dorsal view. A, R. adela sp. nov.; B, R. adelpha sp. nov.; C, R. adesmiae Burckhardt; D, R. adunca Burckhardt; E, R. bicolorata sp. nov.; F, R. brevigenis sp. nov.; G, R. bulbosa Burckhardt; H, R. capsici Burckhardt; I, R. caunda sp. nov.; J, R. chilensis Burckhardt; K, R. chorizanthis sp. nov.; L, R. didyma sp. nov.; M, R. dimorpha sp. nov.; N, R. diosteae Burckhardt; O, R. disparilis Tuthill.