428 NEW AND RARE AUSTRALIAN AGK lONID.l'., 



Hah. — Tennant's Creek, Central Australia. 



Types: $^, and series of cotypes, Coll. Tillyard( 1 905-1906). 



Clo.selv' allied to ..4. leda in size, form and colouration; but at 

 once distinguished from this latter species by the tivo end .segments 

 (if f/i>' male being 7:>«^e blue; also the inferior spine on the male 

 appendages is much larger in A. a)-idus. 



Legion iii. Lestoidea, legio nova. 



Characters intermediate between those of the legions Lestes 

 and I'rotoneara. Pterostiyma an cJonyutc paralleloyrdm, very 

 Sxightly convex, (of the form shown in L('><fes s.str.). Wings 

 narrow, petioled to about the second antenodal. I nfenvr .sfc- 

 fo/- of f/i(ni;//r (ihsciif : a small cross-vein descending from 

 quadrilateral to margin of wing. Superior sector of triangle 

 short. y (xhtl mid subiiodfd sector.^ ansuiij inu/rcr to urcuiun 

 ihan to iio(/iis, as in J.rstcs. (Plate xlvii., tig. 1.). 



Lestoidea, n.g. (Plate xlvii., tig. 1.). 



Characters as for the legion given above. Superior appen- 

 dages of male forcipate, thick. 

 Type : Lestoidea coitjuticta, n.sp. 



1.3. Lestoidka conmuntta, n.sp. (Plate xl\ii., lig.l). 



(^.Uiii<iue. Total hiHitli, 31: abdiain-n,'!^): hivdirhni, \\y^im\\\. 



AV' i n g s : ii''iir<(tiuu ])\m-\i: ptero.'<ti(j)ii(i 1 1' miii, cox cring two 

 cellules, h\iw]i: )>ont)iod(ds H in forewings, ll-l.") in hindwings. 

 Colour faded, the insect appearing blackish all over, except the 

 /abnim, labium, prothorax and sides of t/iorax, wliich are brown. 

 Jl e a (1 i-ather large, eyes large. Thorax: jirothorax slioit and 

 rather wide: t/mro.r short but well built. Abdomen short. 

 1-2 slightly enlarged, .3-7 slender, 8-10 enlarged again. A p- 

 pendages: superior 0-8 mm., short, thick, forcipate: tips 

 truncate, nearly t(»uching, straight and pai-allel, slightly enlarged: 

 black, roughly covered all over with very minute spines; interior 



