Records of Bees. 115 



1. Face and front pruinose, but without light 



markings ; bivse ofnntenuje red T. tesconim, Ckll. 



Face with liglit markings 2. 



2. Larger ; clypeus pale T. nehulata, Smith. 



Smaller ; clypeus with a yellow hat-shaped 



mark T. lendliana, Friese. 



Ti'igona trochanterica, sp. n. 



JVorker. — Length 6 ram. 



Robust, black, the abdomen dark reddish, more distinctly 

 reddened at sides of second segment, fifth segment with a 

 red patch on each side, and apex pale dull red, with scattered 

 sliort black hairs ; venter clear red. Legs black, with last 

 tarsal joint on each red, and the trochanters for the most 

 part bright ferruginous. Head very large and broad ; 

 mandibles black, with an obscure red mark in middle ; malar 

 space well developed ; face with a greyish-olivaceous pruino- 

 sity ; scape long, black except at extreme base ; flagellum 

 dark reddish, with the first joint black, and the very short 

 second one pale reddish beneath ; front entirely dull ; vertex 

 with stiff black hair ; mesothorax dull, with short fulvous 

 tomentum anteriorly and posteriorly, densest posteriorly ; 

 tubercles and the region behind them with fulvous tomentum ; 

 scutellum prominent, shining anteriorly, and with short 

 black hair; teguhe dull ferruginous. AVings yellowish, 

 nervures and stigma ferruginous ; hind tibiae extremely 

 broad, excavated on outer side, 



Sandakan, Borneo (Baker). 



Nearest to T. erythrogaster, Cam., but thorax with pale 

 hair. It is superficially like T. itama, Ckll,, but quite 

 different by the dull front, &c. The red trochanters are 

 peculiar; in T. nitidiventris, Sm., the coxae are similarly 

 coloured. 



Triyona fuscibasis, sp. n. 



JVorher. — Length about 5 ram., anterior wing 6 mm. 



Head, thorax, and legs black, with tlie clypeus (except 

 up[)er margin), supraclypcal area, labrum, mandibles, and 

 the long scape ferruginous; Hagellum Terruginous, (lusky 

 above : mesothorax dark chestnut-red ; anterior femora and 

 basitarsi in front, small joints of their tarsi and of the others 

 more or less, ferruginous ; head broad ; face and front with 

 olivaceous pruinescence ; head aiid thorax polished and 

 shining; sides of thorax with brownish tonientuni; scutellum 

 with black hair; teguhe clear ferruginous. Wings dark 



8* 



