The Cane Grubs of Australia. 5 



Size moderately small ; setae, in V very tine, not dense ; epicranium wholly naked ; 

 second antennal joint with one seta dorsad and one ventrad, the antennae 

 otherwise naked . . . . . . . . • . • ■ • • = No. 053. 



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Apex of abdomen ventrad with a Y-shaped row of setse, the shaft double, thus J 1 



= (11). 

 Apex of abdomen ventrad with a curved U of rather dense setse, this open 

 posteriorly . . . . . . . . . . . . • . • • = {12)• 



(10) Size very small ; width of head, 2 mm. ; setse in anal bow 20-24, close, rather 

 fine, the scattered setse proximad of this in two irregular rows ; second antennal 

 joint with one seta ; epicranial sclerite with a single seta on either side of 

 meson in centre, otherwise naked . . . . . . = Epholcis bilobiceps. 



Size larger ; width of head, 3-15 mm. ; setse in anal bow eighteen, longer, stouter, 

 darker, and close together, the scattered setse proximad of this in about 

 four irregi-ilar rows ; second antennal joint with two setse ; epicranial sclerite 

 wholly naked . . . . . . = No. 625. 



(11) Epicranial sclerite without setse ; second antennal joint with one seta at base 



ventrad, antennse otherwise naked. 

 Shafts of the Y parallel, the setse scattered, about fifteen on either side, the 

 shafts and branches shorter ; size small ; width of head, 2-25 mm. 



= Heteronyx sp. No. 646.- 



Shafts of the Y diverging posteriorly, the setse rather dense, about twenty 

 on either side, the shafts and branches shorter ; size larger ; width of head, 

 3-50 mm. = No. 667. 



(12) Anterior margin of epicranial sclerite with one seta only on either side of meson, 



the row behind this consisting of two setse on either side of meson. 



Anal row of setse in a broad horseshoe, no longer or as long as its greatest 

 width, the sides slightly converging posteriorly, the setse very distinct 

 and closely set together . . . . . . = Haplonycha sp. No. 650. 



Anterior margin of epicranial sclerite with a row of setse, behind this with a row of 

 scattered setse . . . . . . . . . . . . • • ■ • = (l^)- 



(13) Anal row of setas in a broad horseshoe, wider than long, the sides converging 



and nearly touching posteriorly, the setse longer and denser = No. 671. 



Anal row of setse not so rounded anteriorly, its sides not converging posteriorly, 

 distinctly longer than its greatest width, the setse. shorter and less dense 



= Haplonycha sp. No. 587. 



(14) Head always more or less smooth, never strongly transversely wrinkled or 



punctate . . . . . . . . . . - . • • • • ■ • — (l^)- 



Head strongly punctate, in one case transversely wrinkled . . • ■ = (19). 



(15) Apex of abdomen ventrad with a short narrow obscure naked path bounded by 



about fourteen fine short non-adjacent seta; on either side ; pronotum divided 

 into three lobes. 

 Pubescence of thorax dorsad very sparse ; first antennal joint without setse, 

 the second with four, the third with two . . = Anomala australasice. 



Apex of abdomen ventrad without a naked path bounded by definite setse ; pro- 

 notum divided into two lobes .. .. .. -• •• ■• =(16). 



(16) Cervix and segmented sutures armed more or less with fine black teetii or seta; ; 



apical antennal hardly as long as the penultimate, the antennse wholly naked 



Cervix and segmental svitures naked ; apical antennal joint longer than the penulti- 

 mate, the second with three seta . . . . . • • • • • = (18). 



(17) Size smaller; width of head, 5-25 mm. ; pubescence distinctly sparser, also 



teeth in cervix and segmental sutures ; mandibles without a tooth just 

 laterad of retinaculum . . . . . . = Anoplognathus sp. No. 686. 



Size larger ; width of head, 6-5 mm. ; pubescence distinctly denser, also teeth in 

 cervix and segmental sutures ; mandibles with a small tooth just laterad of 

 retinaculum . . . . . . . . . . = Anoplognathus boisduvali. 



