HYMENOPTERA — VESPINA. 



99 



mucronata — parvula. 



pacifica Say. 



parvula Fabr. 



perpulcra Cr. 



propria Aaron. 



verticalis Pat. 

 Cleptes purpurata Cr. 

 Ellampus marginatus (Pat.) 



nitidus(Aaron). 

 Euchroeus edwardsii — Parnopes. 

 Hedychordum continuum Sr. 

 Hedychridium cintinuum — Hedychor- 

 dum. 



continuum Aar. 



dimidiatum — H o I o py ga. 



viride — Holopyga. 



Hedychrum dimidiatum — Holopyga. 



sinuosum — Omalus. 



ventralis — Holopyga. 



violaceum Brulle. 



viride — Holopyga. 

 Holochrysis interfota DuB. 

 Holopyga dimidiatum (Say). 



ventralis (Say). 



viride (Cr.) 

 Notozus marginatus — Ellamus. 



nitidus — Ellampus. 

 Omalus diversa Aaron. 



Iseviventris Cr. 



sinuosus (Say). 

 Parnopes edwardsii Cr. 

 Spintliaris annulipes Mocs 



EUMENID/E. 



This and the next family fold their front wings when at rest, 

 solitary wasps which store caterpillars in their nests. 

 Ancistocerus edwardsii — Odynerus. cytainus Cam. 



These are 



lalophila Vier. 



fulvitarsis Cam. 



lineativentris Cam. 



rivularis — Odynerus. 



sutterianus — Odynerus. 



trichiontus Cam. 

 Eumenes coloradensis Cr. 



crucifera Prov. 

 Monobia bicolor Prov. 

 Nortonia nevadensis Cam. 

 Odynerus blandus Saus. 



claremontis Cam. 



cosmiogaster Cam. 



edwardsii Cam. 



fulvitarsis Cam. 



philadelphias Saus. 



pratensis Saus. 



rivularis Cam. 



scutellaris Saus. 



sulfureus Saus. 



sutterianus Saus. 

 Pteroohilus biplagiatus Cr. 

 Symmorphus philidelphiaa- 



-Odynerus. 



VESPIDyC. 



Paper wasps so named because their nests are made of paper manufactured 

 by the insect. The yellow-jackets h ave a very similar history to that given 

 for bumble bees. Hornets make their nests above ground and have equally 

 populous colonies. 



SYNOPSIS OP GENERA. 

 Vespa. Polistes: abdomen only subsessile. Polybia: abdomen petiolate 

 Polistes anaheimensis — aurifer. Vespa diabolia Saus. 



aurifer Saus. germanica Linn, 



minor Beauv. maculata Fabr. 



navajoe Cr. occidentalis — germanica. 



Polybia flavitarsis Saus. sulphurea Saus. 



PSAMOCHARID/C. 



The tarantula hawks, Pepsis, are the largest members of the order. All of 

 the species of the family are supposed to store their nests with spiders. 

 Agenia blaisdelii Fox. Ceropales. ferrugineus— Arachnoproc- 



Arachnoproctonus ferrugineus (Say.) tonus. 



