THE LEAP BEETLES. 1179 



KEY 10 THE IJN'UIA.XA UE>,EKA OE HALTICINI, StBTEIBE A. 



II. Last joint of hind tarsi globosely swollen (Fig. 515, a) ; punctures of 

 elytra confused ; surface glabrous ; thorax xevy little narrower than 

 elytra. LI. (Edioxychis. 



(7(7. Last joint of hind tarsi not inflated, usually slender, sometimes thick- 

 ened when viewed from the side. 

 h. Mesosternum always visible, usually moderately long. 



c. Thorax without a transverse impression near the base ; hind tibiiE 

 faintly or not grooved. 

 il. First joint of hind tarsus short, as compared with the tibiae, and 

 rather broad; claws appeudiculate (Fig. 515, 6) ; size medium, 

 4.."i or mure mm. LIT. DiSOxy'cHA. 



<ld. First joint of hind tarsus long and slender; claws simple; size 

 smaller, less than 4 mm. 

 e. Hind tibise grouped above cir on the outer edge, at least near 

 apex; elytra without yellow stripes or spots. 

 f. Hind tibise with the apex entire, the spur placed in the mid- 

 dle in front of the tarsus. 

 g. Punctures of elytra confused; first joint of hind tarsus 

 uearlj- or cjuite as long as half the tibia (Fig. 515, c). 



LIIL LONGITAESUS. 



gg. Punctures of elytra in regular rows ; first joint of hind 

 tarsus not more than one-third the length of the tibise 

 and scarcely as lung as tlu^ three following joints united. 



LIV. Gltphna. 



//. Hind tibiie deeply grooved above, with the apex notched or 



bilobed, the sjnir placed on the outer lobe; reddish-brown, 



shining. L\'. Aphthoxa. 



fc. Hind tibise not grooved on the outer edge, slightly excavated 



near the tip, the spur at middle beneath ; eljira each usually 



with a yellow stripe or spots. LYI. 1'hylloteeta. 



a: Tliiirax with a transverse Impression on basal half. 



li. Transverse impression of thorax usually feeble, not distinctly 

 limited at each end; elytral punctures, when present, confused. 

 /. Hind tibise each with a short terminal siau-. LYII. Haltica. 

 //. Hind tibiae wholly without spurs. LVIII. Lri'EKALTicA, 



/)/(, Transverse impression deep, limited at each end by a longi- 

 tudinal fold ; above bicolored. 

 J. I-;iyti'a nearly smooth, the punctures, when present, extremely 

 fine and scattered. LIX. Lactica. 



jj. Elytra with distinct punctures in rows. 



/,-. Form oval ; surface without erect hairs. Diphaulaca. 



7i7,-. I'cjrm oblong, parallel; elytra with short hairs arising from 



[innctures on the intervals. LX. Trkhaltica. 



