12 



(5) Ootetrasticlius homorJiromus sp. nov. 



Like 0. hasalis in aj)])earance, tlio tliorax and hind coxae 

 dark and nietallie, the l>as(' of the alxlonicn widely, and the legs, 

 inchiding- the front and middle coxae, ]iallid. 



This species is easily distinguished fi-oni (). hasaJis by the 

 length of the first fnniele joint of tlie antennae, which is dis- 

 tinctly Init not greatly longer than the second, and is only 

 ahont twice as long as its greatest width, snhecinal to the ])edicel 

 or a trifle lono-er. Lcni>tli 1.2 mm. The male is not known. 



Ilal). Amhoina (]\rnir) ; from eggs of P. vafitatrix. 



(). liomocli rojuii.s var. diihiosus nov. 



Like the preceding, hut with longer first fnniele joint, this 

 being distinctly longer than the ])e(lic(d, and also distinctly 

 more than twice as wide as Ions,'. Alale not known. 



Hab. Amboina. 



((')) 0. (lisliiii/urndus sp. nov. 



Like the two preceding in form and color but easily distin- 

 guished l)y the comparatively very short basal fnniele joint, 

 the elongation of which is usually so characteristic of the genus. 

 This joint is a little shorter than the jiedicel and of the same 

 length, or very nearly so, as the second fnniele joint. Male 

 not known. Length 1 mm. 



Hab. Amboina. 



- (7) Ootetra.slirh us pallidiix's sp nov. 



Th(> thorax is metallic, tlie mesonotnm in ])art at least, be- 

 ing paler than the ])ronotuni or the hind pai't of the thorax, and 

 it has a more golden metallic color. The head is more or less 

 pale, though somewhat infnscate. Tlie mesoi)h'ura and meso- 

 sternum are dark and metallic, as also the hind coxae, but all 

 the femora, tibiae and tarsi (except the tips) are jjale, clear 



