■I'lii': i,i;aI'' I!1':i;'I'I.I':s. 



17!) 



Ki;v TO Tin: livni.wA (ik.nkha (ih iiAi,ri< ixr. sriniuHK a. 



<i. I.nst Jniiil of liiixl l.irsi u'lohnscly swolU'ii ( I'is. •"•in, (i ) : puiioturt'S <ir 



('l\)r;\ cnnrus.'d: siirfjir.' .i;l;il'r<ms ; llKunx very littU' iiiirniwer than 



,,|yl,.;i LI. <l':i>i(iNYcnis. 



mi. I,:ist Joint <'i' liind l.-ii'si not inlhili'il, usiinlly slcudci-. suiiictiinos tlii<-l<- 



cihmI wIrmi virwt'd from the side 



/(. Mesosternuiii always visible, usually niodcralely loiiy;. 



c. 'Pliorax without a transverse impression near the base; hind tibiie 

 faintly or not jrrooved. 

 (/. l"ii-st Joint of hind tarsus slKU't, as compared with the tibiic, and 

 rather broad; claws appendicnlate (Vi^. 515, h) ; size medium, 

 4.5 or UKU'e mm. LII. Disoxyc iiA. 



(Jd. First Joint of hind tarsus lou^ and slender; claws simple; size 

 smaller, less than 4 mm. 

 ('. Hiud tibiio grooved above or on the outer edge, at least near 

 apex; elytra without yellow stripes or spots. 

 f. Hind tibi;e with the apex entire, the spur placed in the mid- 

 dle in front of the tarsus. 

 (/. Punctures of elytra confused; tirst joint of hind tai'sus 

 nearly or (piite as long as half the tibia (Fig. 515, c). 



LIII. LONGITARSUS. 



f/(/. Punctures of elytra in regular rows; first joint of hind 

 tarsus not more than (jne-third the length of the tibite 

 and scarcely as long as the three following Joints united. 



LIV. Glyptina. 



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



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



shining. LV. Aphthona. 



ee. Hind tlbiaj not grooved on the outer edge, slightly excavated 



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



with a yellow stripe or spots. LVI. Piiyllotreta. 



<■<: 'I'hora.v with a transverse impression on basal half. 



//. Transverse impression of thorax usually feeble, not distinctly 

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

 /. Hind tibiiie each with a short terminal spur. LVII. Haltica. 

 //. Hind tibisp wholly without S]mrs. LVIll. Liperaltica. 



Iili. Transverse impression deep, limited at each end by a longi- 

 tudinal fold; above bicolored. 

 /. Klytra nearly smooth, the punctures, when present, extremely 

 tine and scattered. LIX. L.\ctica. 



jj. I'^lylra with (listini;t punctures in rows. 



A. Form oval: surface without erect hairs. Diimiailaca. 



/,/,-. l-'orni oblong, jiarallel; elytra with short iiairs arising from 



p\nictures on tht^ intervals. LX. 'rKUHAi.ricA. 



