HYMENOPTERA. 



61 



63. Odyxerus 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 descemhng to the base of the clypeus ; the antennae 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, 

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

 the tibise and femora paler outside, the margins of the scutellum 

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

 with a central longituthnal carina, the lateral margins of the 

 truncation crenate ; the wings fulvo-hyaline, 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. 

 Hub. Ceram. (Coll. Madame Ida Pfeiffer.) 



64. Odynercs fragilis. B.M. 



Male. Length 3i 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 

 flagelhim 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 tegula;, 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 lias 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 yellow band on its apical 

 margin, its anterior edge waved. 



Hah. Borneo. 



