Eyerard E. Blancii.vrd : A phid noles 



*97 



Morphological characters : Bocly oval; antennae plainly longer 

 than the bocly, inserted on prominent frontal tubercles which are 

 produced conspicuously on their inner apical angle. III with i to 

 2 inconspicuous sensoria near its base and with hairs sub-equal to 

 i/4 its greatest diameter, dilated somewhat at their ápices. Dorsum 

 almost destitute of hairs, those present being minute and inconspi- 

 cuous. Cornicles slender, cylinclrical, conspicuously dilated at 

 their apex with feeble to harclly visible imbrications, becoming 

 prominent suddenly cióse lo ílange where one or two striae are for- 

 med. Cauda ensiform, with three pairs of lateral bristles. Rostrum 



Fig. 6. — Aulacorthum eumorphum, Blaschahd. Apterous virgogene : 

 a, antenna ; fe, segment III of antenna ; c, cornicle ; d, tip of cor- 

 nicle; e, cauda. Álate virgogene : f, cauda; g, antenna; h, segment 

 III of antenna ; í, coi-nicle ; j, tip of cornicle. 



rather long, surpassing second coxae and at times reaches third 

 pair. Antennal imbrications feeble on V and VI, plain on filament 

 and extinct on remaining segments. 



Relative meas áreme nts : 



Length 1 . g3 



Width 1.27 



f. t. I II III IV V VI f. 



Antennae o. 10 o.i5 0.08 0.61 0.44 o.3i 0.16 0.70 



Cauda. o.a3 



Cornicles 0.62 



i 8 ' a nd 3 rd 



(Femora... 0.69 0.72 0.87 



Legs \ Tibiae ... 1.10 1.12 i.i5 



Tarsi. .- ... 0.09 0.09 o. 10 



Rostrum. 0.57 



