328 ^Ir. G. MciuU-WaUlo on 



1?. (3) Anterior tarsi simple; tor^nte G concRve 



above, rouiuU'd and bilobed at ajiex. 



1 1 mm suhferox, sp. il. 



8. (2) Anterior tarsi flattened ; tergite G truncate 



at apex, serrate. 15 mm resinifcra, sp. n. 



4. (1) Joint 1* ot" anterior tarsi conspicuously 



dilated ; pubescence of bead and tiiorax 



fulvous grey heuroinensis, sp. n, 



19. Megachile a.villaris, sp. n. 



2 . Nigra ; facie, thorace, tergitibus 1-3 lateribus, scopaquc ven- 

 trali (sternite sexto excei)to) albo-pilosis ; tergitibus 5 et G rufo-- 

 aurantiacis ; alia subhyalinis ; clypeo brevissimo, emarginato, 

 lateribua laminatis ; maudibulis 3-dentatis, basis externis tuber- 

 culatis. 



Long. 15 mm. 



Black ; clypeus, the inner orbits, thorax (especially pleuraj), 

 axilla; and intdian segment, linear niaiks on sides of apices 

 ot teroites 1-3 witii white pubescence; ventral scopa (except 

 sternite Q) silvery white, sternite 6 fuscous ; legs more or 

 less sparsely clothed with griseous pubescence, tarsi reddish 

 beneath. Mandibles on tiie inner and outer sides and tergites 

 5 and 6 with bright teiruginoUs-red jnibescence. 



Muudihles broad at base, narrowing considerably towards 

 apex, Iridentate, an opaque area (almost smooth) at base, 

 enclosed between conspicuous shining cariufe approximating 

 towards the a])ex ; inner margin well sculptured, outer 

 margin with a distinct tubt-rcle at base. 



Clyijens very short, broad, and deeply emarginate, sides 

 of the emargination produced to form distinct su])quadrate 

 laminfe. 



Head as broad as thorax at widest; abdomen parallel- 

 sided. The whole closely and finely punctured, except 

 enclosed area at base of median segment, the truncation of 

 tergite 1, and the median segment itself, which are sub- 

 nitidulous and inii)unctate. 



Wings subhyaline. 



Length 15 mm. 



S.W. Australia: Yallingup, 23rd Dec. 1913-23rd Jan. 

 1914 {R. E. Turner). 18 ? $ . 



A|;parently comes next to J7. /^reis.s/, Ckll. (1910), from 

 Eastern Australia, but much larger; also in M. preist,i the 

 clypeus has a median tooth and the abdominal hair-fascise 

 entire. 



