298 UNITED STATES NATIONAL MUSEUM BULLETIN 276 



Malacosoma incurvum incurvum (Henry Edwards) 



Coll. No. 249 (Clifton, Ariz., all hyperparasitized) . 



Chalcididae 



Only one species of chalcid was reared which was not a secondary 

 parasite. It is Brachymeria ovata (Say), and was reared from the following 

 two collections. 



Malacosoma americanum (Fabricius) 



Coll. No. 414 (Rocksprings, Tex.). 

 Malacosoma incurvum incurvum (Henry Edwards) 



Coll. No. 249 (Clifton, Ariz.). 



Torymidae 



Only a single species from a single collection was reared. This was 

 the pupal parasite, Microdontomerus fumipennis Crawford. 



Malacosoma californicum (Packard) 

 CoU. No. 365 (Pinedale, Wyo.). 



Hyperparasites 



All of the parasites in the following list emerged from pupal "mum- 

 mies" of either Hyposoter Jugitivus pacijicus Gushman or Rogas sp. No 

 distinction is made between those which are secondary and any which 

 may be tertiary. 



Malacosoma constrictum constrictum (Henry Edwards) 



Pteromalidae: Habrocytus sp.: Coll. No. 121B (Grants Pass, Ore.), Ex 



Hyposoter Jugitivus pacijicus. 

 Malacosoma californicum (Packard) 



Chalcididae: Ceratosmicra paya Burks: Coll. No. 148 (Reno, Nev.), Ex 



Rogas sp. 

 Chalcididae: Spilochalcis albifrons (Walsh): Coll. No. 453 (Ukiah, Ore.), 



Ex Hyposoter Jugitivus pacificus. 

 Pteromalidae: Catolaccus aeneoviridis (Girault): Coll. Nos. 148 (Reno, Nev.), 



Ex Rogas sp.; 158 (Mitchell, Ore.), Ex Rogas sp. 

 Pteromalidae: Dibrachys cavus (Walker): Coll. No. 366 (Bondurant, Wyo.), 



Ex Rogas sp. 

 Eulophidae: Tetrastichus coerulescens As\\mta.d: Coll. Nos. 148 (Reno, Nev.), 



Ex Rogas sp.; 156 (PrinevUle, Ore.), Ex Rogas sp.; 158 (Mitchell, 



Ore.), Ex Rogas sp.; 159 (John Day, Ore.), Ex Hyposoter Jugitivus 



pacificus. 

 Eulophidae: Melittobia sp.: Coll. No. 453 (Ukiah, Ore.), Ex Hyposoter 



Jugitivus pacificus. 



