I.MS CHABUONinJ': 



CRABRONID.E. 



CRABRO. 



1. Crabro affinis. 



Female. Length 4.\ lines.— Black ; the abdomen shining and having 

 two yellow fascia\ the first interrupted. Head and thorax semi- 

 opaque, the former with the ocelli in a curve on the vertex ; the 

 basal half of the mandibles and the scape of the antenna in front 

 yellow ; the clypeus with a longitudinal carina, and thinly covered 

 with silvery pile. The mesothorax with two abbreviated longi- 

 tudinal ridges on the disk ; the scuteUum obsoletely bituberculate ; 

 the metathorax with a central longitudinal channel ; wings sub- 

 hyaline, the nervures black ; the outer margin of the teguhe llavo- 

 testaceous. Abdomen with a slightly interrupted yellow fascia on 

 the basal margin of the second segment, and a narrow uninter- 

 rupted one near the basal margin of the fourth ; the ai)ical margin 

 of the fifth segment narrowly fiavo-testaceous, and fringed with 

 short white pubescence ; the sixth segment with a few scattered 

 punctures. 



Hab. The island of Kauai. 



This species was captured very sparingly. It resembles the C. 

 vof/us of Europe, and belongs to the same division of the genus, 

 having the ocelli in a curve, the Solemus of St. Targeau. 



2. Crabro mandibular is. 



Female. Length 5 lines. — Black, and slightly shining ; the head 

 and thorax very closely and finely punctured, and having a few 

 yellow markings. The oceUi in a curve on the vertex ; the clypeus 

 and anterior margin of the face with bright golden-coloured pubes- 

 cence ; the scape of the anteunte in front and the basal half of the 

 mandibles above yellow ; the cheeks with, changeable silvery pile. 

 Thorax with a minute spot on the collar laterally, the tubercles, 

 and the postscutellum yeUow ; the wings hyaline, the nervures 

 black ; the metathorax with a central longitudinal channel, and a 

 few short carime at its extreme base, and without the usual en- 

 closed semicircular space at its base. Abdomen smooth and shining, 

 the three or four apical segments with short white pubescence; 

 the apical segment with the margins raised, shining, and with a 

 few strong punctures. 



Ilab. Coasts of Maui. 



Taken on flowers on sandv coasts bv the Rev. T. Blackbiirn. 



