494 



INDEX. 



apicalis, Sirex 34 



apollineus, Bombus 416 



Arachnophr act onus (see atro.r). 



areolatus, Sirc.r 34 



Arrhcnophagus (see chionas- 



pidis). 



atrox, Arachnophr octonus . . . 267 

 bcnefica, Eumicrosoma (illus.) 147 



bicolor, Psithyrus 413 



bifasciatipcnne, Polyncma ... 220 

 Bombidae, Descriptions of 



new forms 409 



Bombidae, Notes on 409 



Bombus (see albonlgcr, ni- 

 grodorsalis, trinominatus, 

 brachyccphalus, weisi, nirc- 

 atus, inccrtus, apollineus, 

 rcgcVi) . 



brachyccphalus, Bombus 411 



brevicornis Xenoglossa 364 



brunerl, Halictus 293 



caententarium, Sceliphron . . . 469 

 Callirhytis glandiilosus in Vir- 

 ginia 219 



Callirhytis scminator in Mary- 

 land and Virginia 220 



Campoplex (see variabilis). 



capitis*, Aphelinus 73 



Carolina, Vespa 265 



Catolaccus reared from a gall 132 

 Chalcidine H., A new genus 



of 325 



Chalcidoid H. from Java .... 365 

 Chalcidoid H., Occurrence of 

 striking peculiarities in un- 

 related 417 



Chalcis (see also Hypochalcis 



modcstus). 



Chalybion (see cocrulcum). 

 chionaspidis, Arrhcnophagus. 365 

 Citation of host data in the 

 parasitic Hymenoptera .... 279 



coeruleum, Chalybion 469 



connexus, Halictus 293 



cressom, Halictus 293 



ciineata, Vespa 265 



Diastrophus (see ncbulosus). 



dorsalis, Trig on a 31 



Dragonflies devouring ants... 37 

 Dying from cold, Phcidole 



megaccphalus 362 



dysphage*, Ptinobius 130 



Ecto or Endoparasitism .... 279 



Endoparasitism 279 



Humicrosoma (see bcnefica). 

 Generations per year of mud- 

 daubers, Number of 469 



Geotaxis in Trichogrannna 



mimttiim 131 



glandiilosus, Callirhytis .... 219 

 Habits of Spinoliella sebrata. 366 

 Habits of Xenoglossa brevi- 

 cornis 364 



Halictine bee, A new 291 



Halictus (Key to some spe- 

 cies) 293 



Halictus (see subconnexus, 

 rohzvcri, bruncri, cressoni, 

 nigroi'iridis, nymphaearum, 

 albipcnnis, connc.rus). 



hogardii, Sphecius 37 



Hypochalcis* 325 



(see also modestus). 



incertus, Bombus 416 



intrudcns, Psithyrus 413 



Laelius (see trogodermatis}. 



limonus*, Aphelinus 76 



lobatus, Ormyrus 132 



mcadc-zvaldoi*, Trigona 32 



megacephalus, Phcidole 362 



Mctamymar (see alcurodis). 

 mimcticus*, Miscothyris luci- 



dulus 268 



minutum, Trichogrannna. . . . 13, 32 

 Miscothyris (see mitncticus). 



modcstns, Hypochalcis 325 



Mud-daubers 469 



Mutilla (see slossonac). 



