494 



INDEX. 



apicalis, Sirex 34 



apollincus, Bombus 416 



Arachnophroctonus (see atrox). 



areolatus, Sirex 34 



Arrhenophagus (see chionas- 



pidis) . 

 atrox, Arachnophroctonus . . . 267 

 benefica, Eumicrosoma (illus.) 147 



bicolor, Psithyrus 413 



bifasciatipenne, Polynema . . . 220 

 Bombidae, Descriptions of 



new forms 409 



Bombidae, Notes on 409 



Bombus (see alboniger, ni- 

 grodorsalis, trinominatus, 

 brachycephalus, weisi, nive- 

 atus, incertus, apollincus, 

 regeli) . 



brachycephalus, Bombus 411 



brevicornis Xenoglossa 364 



bruneri, Halictus 293 



caementarium,, Sceliphron . . . 469 

 Callirhytis glandulosus in Vir- 

 ginia 219 



Callirhytis seminator 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 



modestus) . 

 Chalybion (see coeruleum). 

 chionaspidis, Arrhenophagus. 365 

 Citation of host data in the 



parasitic Hymenoptera 279 



coeruleum, Chalybion 469 



connexus, Halictus 293 



cressoni, Halictus 293 



cuncata, Vespa 265 



Diastrophus (see nebulosus) . 



dorsalis, Trigona 31 



Dragonflies devouring ants... 27 

 Dying from cold, Pheidole 



mcgacephalus 362 



dysphage*, Ptinobius 130 



Ecto or Endoparasitism 279 



Endoparasitism 279 



Eumicrosoma (see benefica). 

 Generations per year of mud- 

 daubers, Number of 469 



Geotaxis in Trichogranima 



minutum 131 



glandulosus, Callirhytis .... 219 

 Habits of Spinoliella scbrata. 366 

 Habits of Xenoglossa brevi- 

 cornis 364 



Halictine bee, A new 291 



Halictus (Key to some spe- 

 cies) 293 



Halictus (see subconnexus, 

 rohweri, bruneri, cressoni, 

 nigroviridis, nymphaearum, 

 albipennis, connexus). 



hogardii, Sphecius 37 



Hypochalcis* 325 



(see also modestus). 



incertus, Bombus 416 



intrudens, Psithyrus 413 



Laelius (see trogodermatis). 



limonus*, Aphelinus 7^ 



lobatus, Ormyrus 132 



meade-waldoi*, Trigona 32 



mcgacephalus, Pheidole 362 



Metamymar (see aleurodis). 

 mimeticus*, Miscothyris luci- 



dulus 268 



minutum, Trichogramma 13, 32 



Miscothyris (see mimeticus). 



modestus, Hypochalcis 325 



Mud-daubers 469 



Mutilla (see slossonae). 



