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Platythyrea, 1007.
xanthochroa, Azteca, 501.
xanthogaster, Xiphomyrmex sikorre,
1032.
xantogaster, Tetramorium sikorz, 1032.
xenocephala, Phyllodinarda, 628.
Xenometra, 661.
Xenomyrmex, 25, 663,683.
Xenopus, 88, 239, 266, 289.
Xeromyrmex, 162,163,677,868, 1037.
Xiphocolaptes, 305.
Xiphocrema, 151, 662.
Xiphomyrmex, 11, 16, 20, 26, 32, 35,
37, 191, 193, 664, 683, 906, 1031.
Xiphomyrmex, 912.
Xiphopelta, 649, 775, 776, 777, 1008.
xocensis, Pheidole, 360, 833.
Xylaria, 378.
Xylariacere, 378.
Xyleborus, 537,543,553, 565,572.
Xylocopa, 496.
Xylocrabro, 496.
xylographus, Xyleborus, 553.
Xyloterinus, 542.
Xyloterus, 551.
Xymmer, 15, 22, 31, 641, 768.
yambatensis, Cremastogaster ferruginea
var., 832.
Crematogaster castanea ferruginea
var., 832.
yappii, Crematogaster, 498.
yaundensis, Vitex, 446, 522.
INDEX 1139
yerburyi, Camponotus reticulatus, 989.
Yphomyrmex, 1031.
yucatanensis, Chloronerpes rubiginosus,
304.
yvonnae, Camponotus, 992.
Zacryptocerus, 26, 665.
zambesiana, Pheidole sculpturata, 820.
eanzibarica, Acacia, 374.
zanzibaricus, Camponotus rufoglaucus,
969.
Zasphinctus, 639.
zelotypa, Prenolepis, 943.
Prenolepis jzgerskwldi var., 943.
zeta, Cremastogaster africana laurenti
var., 852.
Crematogaster africana laurenti
var., 167, 159, 467, 472, 473, 492,
593, 598, 605,607,629,863.
zimmeri, Engramma, 202, 933.
zimmermanni, Camponotus, 970.
Camponotus rufoglaucus, 969.
Dorylus aflnis, 731.
Dorylus brevipennis, 731.
Zodarion, 273.
Zodarium, 273.
zonata, Formica, 947.
Zonifer, 302.
eulu, Camponotus rufoglaucus, 246, 970.
Cremastogaster sjostedti bulawayensis
var., 855.
Crematogaster bulawayensis var.,
855.
Monomorium, 867.