22,6 Rohiuer: New Malayan Wasps 601 



the nearly perpendicular first intercubitus) ; four anterior femora 

 brownish beneath ; hind legs brownish with tarsi black ; apex of 

 petiole black. 



Type locality. — Sandakan, Borneo. 



Described from one male received from C. F. Baker under 

 his number 16828. 



Type.— Catalogue No. 25046, United States National Museum. 



Diodontus xautb.ognath.us Rohwer. 



The following specimens submitted by C. F. Baker have been 

 examined: Female, from Singapore, Straits Settlements (Baker 

 16830); female, from Penang Island; male, from Sandakan, 

 Borneo (Baker 16827) ; male, from Tangcolan, Bukidnon, Min- 

 danao. 

 Psen (Mimesa) bakeri sp. nov. 



Very like Psen (Mimesa) politiventris Rohwer, but it differs 

 as follows and can hardly be the male of that species: 



Male.— Length, 10.5 millimeters. Produced part of clypeus 

 without a median emargination ; pubescence of face silvery; 

 petiole bicarinate laterally; scutum rather closely striate-punc- 

 tate; scutellum more coarsely punctured and with a tendency to 

 striate puncturation ; propodeal inclosure flat, shining, without 

 a median channel but with ten rug*; second recurrent a short 

 distance beyond second intercubitus; wings hyaline Antennae 

 longer than head and thorax, third joint distinctly longer than 

 fourth, flagellar joints 6 to 9 slightly constricted at base and 

 apex beneath. t% , , . m nnnY . 



Type ioeaiav—Haight's Place (Pauai), in mountains near 

 Bagul, Mountain Province, Luzon. Altitude about 2,500 meters. 



Described from one male (Baker 16825) ■ .„._,„ 



^.-Catalogue No. 25047, United States National Museum. 



