hymenoptera. 61 



63. Odynerus rufescens. B.M. 



Female. Length 4^ lines. — Black : head and thorax strongly 

 and closely punctured ; the clypeus, labrum, scape in front and 

 the face, reddish-yellow ; a large black spot above each antenna 

 and descending to the base of the clypeus ; the antennse 'and 

 mandibles ferruginous, yellowish at their base ; a broad orange 

 stripe behind the eyes. The prothorax above, a spot beneath 

 the wings, two longitudinal stripes on the mesothorax, the tegulae, 

 scutellura, post-scutellum, metathorax and legs, reddish-yellow ; 

 the tibiae and femora paler outside, the margins of the scutellura 

 and post-scutellum black ; the metathorax truncate, rugose, and 

 with a central longitudinal carina, the lateral margins of the 

 truncation crenate ; the wings fulvo-hy aline, with a fuscous- 

 cloud in the marginal cell. Abdomen : the first segment and 

 the base of the second ferruginous; the apical margin of the 

 first segment with a narrow yellow fascia, widest in the middle ; 

 the second and following segments with broad fasciae, that on 

 the second widest in the middle; beneath, ferruginous, a yellow 

 fascia on the second segment, its anterior margin notched in 

 the middle and emarginate on each side. 

 Hab. Ceram. (Coll. Madame Ida PfeilFer.) 



64. Odynerus fragilis. B.M. 



Male. Length 3^ lines. — Black: the head, thorax and abdo- 

 men coarsely punctured; the clypeus and a spot above it, the scape 

 in front, a spot in the emargination of the eyes, another behind 

 them, and the mandibles, yellow ; the tips of the latter ferrugi- 

 nous, with their teeth black; a black spot on the clypeus; the 

 flagellum fulvous beneath. The thorax truncate in front, a large 

 spot on each side of the anterior margin of the prothorax, a spot 

 beneath the wings, the hinder margin of the tegulffi, a subinter- 

 rupted transverse line on the scutellum and a large ovate spot 

 on each side of the metathorax, yellow ; the apex of the anterior 

 and intermediate femora in front, the tibiae outside, and the an- 

 terior tarsi, yellow, the latter with ferruginous stains ; the inter- 

 mediate and posterior tarsi dusky. Abdomen subpetiolate ; 

 the basal segment very narrow, about half the width of the 

 second, which has an ovate yellow spot on each side at its base ; 

 the apical margins of the first and second segments, and a trans- 

 verse spot on the apical margins of the fifth and sixth segments, 

 yellow ; the second segment with a yellov/ band on its apical 

 margin, its anterior edge w^aved. 



Hab. Borneo. 



