38 Arthur M. Lea: 



species, with much stronger punctures, etc. The l)huk at apex <if 

 elytra is slightly dilated to sides, so that there it occupies about two- 

 hfths of the length, at rhe suture it occupies al)out one-third. 



*P()li/Iobiis seiniopacus. Lea. 



Recently taken in numbers at Otford and Sydneyi in nests of 

 Ectatoiii 111(1 inetall icuin. 



*1'(>I l/lohiix jxillidoiiiinor. Lea. 



Mr. Cox has sent a second specimen of this species from a nest of 

 Iridomyrmcx rufoniger. I have also 20 specimens that were taken 

 in Hood debris on the Nepean River by Mr. A. J. Coates. 



*Folylo}>\is Ddvryi, Lea. 



A single specimen of this species uas taken near Adelaide, l)y Mr. 

 Griffith, froui a nest of Ectatoiniiut iiictdHiniiii. 



^Calodera citneifera. Lea. 



Mr. Davey ha« sent three specimens from Geelong and Ararat, as 

 having occurred in nests of a species of Iridonnjrincr. 



*Mynnedonia claviyera, Fvl 

 Recently taken near Hohart from a nest of Iridoiinirnic r ylaher. 



HovHihitd triyoiiae, n.sp. 



Black, shining ; elytra piceous-brown ; legs, palpi and basal joints 

 of antennae somewhat paler. With very short ashen pubescence, longer 

 on abdomen than elsewhere ; sides with a few short hairs. 



Hcdd convex, moderately transverse ; punctures very indistinct. 

 Antennae not very thin, just passing base of prothorax ; first joint as 

 long as second and third combined, fourtli to tenth transverse, eleventh 

 subconical, almost as long as ninth and tenth ccnubined. I'rothdrar 

 almost twice as wide as long, sides and base evenly rounded : with a 

 puncture on each side of the middle at :ibout one-third troui the 

 l)ase, and with much smaller and dense liut latliei' clearly defined 

 jMinctures. Elytra sliglitlv widci' than prothmax, and sliglitly wider 

 ihan long; with small, dense, clearly defined jiumniies. Ahdoimn 

 as wide at apex as at base, the sides very feel)ly increasing in width 

 to middle: margins strong. Lrys rather long. Length '1\, to apex 

 of elytra 1 mm. 



Hah. — NeAv South Wales : Sydney, from a nest of Trnjoiid rar- 

 bonaria (C. Gibbons). 



1 Now first recoi'ded from the inainlaiid. 



