COLLECTED AT BACHIAN, KAISAA, ETC. 139 



Female. Length 7 lines. Black ; the inner orbit of the eyes, the 

 clypeus, ia spot on the mandibles, and a broad stripe behind the eyes, 

 yellowish - white ; the 7-14 joints of the antenna; white with a black 

 line beneath. Thorax : an oblique spot before the wings, a spot on 

 the disk of the mesothorax, the scutellum, the postscutellura, and an 

 oblique line on each side before it, a spot in the middle of the meso- 

 thorax, and two short spines at its apex, yellowish-white ; the sides of 

 the thorax, the coxa; and trochanters, spotted with white ; the legs 

 rufo-fuscous, with their articulations paler. Abdomen : the three 

 basal segments with yellowish-white marginal fascia; ; the apical seg- 

 ment with a narrow fascia ; the metathorax rugose, and the second 

 segment of the abdomen closely and finely punctured ; the wings 

 hyaline ; the nervures black, 



Hab. Bachian. 



Gi-en. PiMPLA, Fahr. 



]. PiMPLA FORMOSA. P. rufo-fcrruginea, flavo varia; antennis stri- 

 gisque tribus mesothoracis nigris ; abdominis segmentis flavo margi- 

 natis ; alis hyalinis, apice fusco macidato. 

 Female. Length 8 lines. Rufo-ferruginous ; the scape in front and the 

 head yellow ; the region of the ocelli, and a transverse oval spot in 

 front of them, black ; the flagellum black, with the extreme apex and 

 two basal joints rufo-piceous. The mesothorax with three broad black 

 longitudinal stripes ; the scutellum, postscutellum, a spot beneath the 

 wings, and the anterior and intermediate coxa; in front, yellow ; the 

 wings hyaline, with a dark fuscous spot at the apex of the marginal cell, 

 and extending a little beyond it. Abdomen closely punctiu-ed, with a 

 yellow fascia on the apical margin of the first five segments ; the sixth 

 has an interrupted fascia ; the ovipositor short and black. 

 Hab. Bachian. 



This insect closely resembles P. plagiata, described in the paper on the 

 Hymenoptera of Aru ; but I think it differs in too many particulars to be 

 considered a variety of that species. 



2. PiMPLA FLAViCEPS. P. fcrruginca ; antennis nigris ; capiteluteo; 

 alis fuscis, dimidio basali flavo-hyalinis. 



Female. Length 64 lines. Ferruginous, with the head yellow ; the 

 antennae blackish, with the scape in front and the apex beneath more 

 or less ferruginous. Thorax very smooth and shining above ; the legs 

 rather paler than the body. Wings dark brown ; their base flavo- 

 hyaline nearly to the apex of the externo-medial cell. Abdomen 

 punctured ; each segment with an deep oblique depression on each 

 side nearly uniting in the middle of the segment ; the ovipositor 

 black. 



Hab. Bachian. 



10* 



