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17. D. pylaon sp. no v. 

 PI. XV, figs. 12-14. 



Close to the last, but the lateral keels straightly divergent, 

 and spur with 19 spines. 



Long-zviiigcd fonii (male) tegmina much shorter. Ground 

 color of pronotum and scutellum paler fuscous, lateral keels 

 white; the mesosterna bordered exteriorly with white. 



SJwrt-zciiigcd form (female of same species?) ; blackish-brown, 

 lateral keels of pronotum white. Tegmina subhyaline, dark fus- 

 cous, rather broadly (comparatively) bordered exteriorly from 

 exterobasal angle to interobasal angle w^ith ivery-white. Ter- 

 gites with a median line of ivory white and a lateral and two 

 sublateral, similar (but more broken up) lines. 



Male pvgophor triemarginate towards, and at the ventral 

 margin. Genital styles widening out towards their apex, which 

 is subtruncate. the angles rather rounded, the inner margins 

 on the apical half, irregularly sinuate. Oedeagus arising close 

 to the ventral wall of the anal tube and bending outwards and 

 downwards' a little over the genital styles. There are no spines 

 on the anal tube ventrally. 



Length 2^ (macr.), 2| (brach.) mill. 



Hab. Queensland, Cairns (July). Brisbane (June). 



18. puclla. 

 PI. XV, figs. 1-3. 



Libuniia puclla Van Duzee; Forbes and Hart 1900 Bull. Illi- 

 nois Agr. Sta. 60 p. 416. PI. I, f. 2. 



Hab. Queensland, Cairns (Aug.), Redlynch (July); Fiji. 

 Suva (M'ar.. K.). 



Also from North America, New Jersey. New York, Towa and 

 Mississippi (A^an Duzee), Ohio, Kentucky (Swezey), Illinois 

 (Forbes & Hart), on grass, grains and sugar beet. 



The basal segment of the antennae varies from testaceous to 

 blackish. The middle keel of the frons in the Australasian in- 

 dividuals is usually blackish, though sometimes paler fuscous; the 

 Americans are usually whitish. The snur has about 20 spines. 



Male pygophor oval ; anal tube cleft ventrally, with 2 diverg- 

 ing spines. Oedeagus a little swollen apicallv. Genital styles 

 small and laterallv arched, nearly meeting apicallv. This species 

 is very close to albicollis, but is a little larger, the posterior angle 



