... Wilson (1 971 ), Howse (1 970 ), Harris (1 971 ), and Pearce (19 97) Termite phylogeny is discussed by McKittrick (1964), Krishna (1 970 ), 171 THE PLECOPTEROID, BLATTOID, AND ORTHOPTEROID ORDERS 172 CHAPTER ... (1969, 1 971 ), Hickin (1 971 ), and Pearce (19 97) North American termites are discussed by Weesner (1965) (also 1 970 , in “Biology of Termites,” Vol II) and may be identified in Helfer (19 87) Watson ... permission of Masson, e r ´ Vol Paris.] 177 THE PLECOPTEROID, BLATTOID, AND ORTHOPTEROID ORDERS 178 CHAPTER includes about 10 species of Hemimerus (Figure 7. 14C), all of which are epizoic on African...