254 
Index 
[December 
Halictus rhododactylus, 208 Megachile addenda , 178 
Harpagoxenus americanus social pa- Megachile aspera, 179 
rasitism of, 1; slave-raids of, 1 1. Megachile austinensis, 105 
Harpagoxenus sublcevis , 1, 
Heliolhrips striatus, 233 
Helmis coesa, 93 
Helmis ferruginea, 93 
Helmis filiformis, 94 
12 Megachile' audax, 178 
Megachile bahamensis, 47 
Megachile carlotensis, 55 
Megachile chrysothamni, 109 
Megachile f lor idana, 179 
Helmis filiformis subsp. jamaicen- Megachile gemmula, 178 
sis, 97 
Helmis, key to Cuban species, 92 
Helmis minima, 93 
Helmis simplex, 96 
Helmis smithi, 93 
Helmis quadrata, 93 
Helophorus aquaticus, 174 
Hercothrips, 233 
Hercothrips funebris, 240 
Hercothrips insularis, 234 
Hercothrips masculinus, 237 
Hercothrips nanus, 235 
Hercothrips williamst, 239 
Hippoboscids, on an Owl, 33 
Homilops bishoppi, 191 
Hydroporus badiellus, 174 
Hymenoptera, phylogeny, 87 
Megachile inimica subsp. jacumben- 
sis, 109 
Megachile intnegra, 179 
Megachile laurita subsp. semilau- 
RITA, 116 
Megachile laurita subsp. sublau- 
RITA, 117 
Megachile manumuskin, 178 
Megachile maura, 57 
Megachile mendica subsp. snowi, 113 
Megachile mucida, 178 
Megachile pceyi, 57 
Megachile poeyi subsp. alleni, 48 
Megachile pseudonigra, 112 
Megachile relativa, 179 
Megachile salti, 51 
Megachile semimucida, 178 
Hymenopterous host, of Strepsiptera , Megachile shermani, 179 
182 
Ilybius discedens, 174 
Iridomyrmex geinitizi, 31 
Iridomyrmex goepperti, 31 
Isosoma hordei, 157 
Lasius punctulatus, 31 
Lasius schieffer decker i , 31 
Leptothorax acervorum, 12 
Leptothorax gracilis , 3 1 
Leptothorax longispinosus, 
Lepthorax muscorum, 12 
Lepthorax tuberum, 13 
Lithurgus bruesi, 104 
Lophoptilus eloisella, 227 
Megachile abducta, 179 
5, 11 
Megachile sidalcece, 179 
Megachile spokanensis, 109 
Megachile strophostylis, 179 
Megachile tephrosiana, 179 
Megachile vidua, 178 
MeGACHILOIDEA UMATILLENSIS, 118 
Megachile wheeleri, 107 
Merodon equestris, 34 
Monodontomerus montivagus, 197 
Mononychus vulpeculus, 229 
Mormoniella brevicornis, 33 
Muscina pascuorum, 33 
Nothomyrmica rubis, 31 
Odynerus, 197 
Olfactory function of antennae, 209 
Ornithoica confluenta, 33 
