Longitarsus. | PHYTOPHAGA. 
punctured, less narrow in proportion to 
elytra. 
a. Thorax with a metallic reflection. . . 
b. Thorax without metallic reflection, 
a®*. Elytra oval, broader. 
at. Punctuation of thorax and elytra 
stronger; shoulders of elytra less 
distinct . 
b+. Punctuation of thorax and elytra 
finer ; shoulders of cab tra more dis- 
WINES. 5c oy ue 
b*. Elytra oblong oval, narrower. 
at. Head black; elytra confusedly 
punctured, the punctures being oc- 
casionally arranged in very indis- 
tinct rows near base. . 
b+. Head reddish-testaceous. 
at. Size larger; elytra punctured 
in distinct rows towards base 
bt. Size smaller; elytra confusedly 
punctured. . 
2. Elytra with the shoulders not obliquely rounded. 
A. Thorax black or pitchy. 
a. Elytra distinctly punctured, with the suture 
only dark . 
b. Elytra more finely ‘punctured, ‘with the 
suture and all the margins dark 4 
B. Thorax reddish-testaceous. 
a. Size larger ; elytra broader in proportion to 
thorax, very finely punctured . . 5 
b. Size much smaller ; elytra narrower in pro- 
portion to thorax, rather distinctly punc- 
tured 
V. Elytra unicolorous testaceous or "reddish-testaceous 
without darker suture.* 
i. Antenne widely distant at base; posterior tibie 
armed with a stare curved oe at apex ; size 
HAT SOLE eis os 3 6 ee ean 
ii. Antenne more approximate at base; posterior 
tibize armed with a short or moderate spur at 
apex 3 size smaller. 
1. Punctuation strong. 
A. Elytra dehiscent at apex; head and under- 
sideired Gish rust sme aune : 
B. Elytra not dehiscent at apex. 
a. Antenne darker towards apex. 
2*, Head black or pitchy black 
b*. Head red or reddish-testaceous. 
at. Under-side black with the last ee 
ment ferruginous . 
337 
L. atRicirwuvs, D. 
L. PATRUELIS, All. 
L. MELANOCEPHALUS, De @. 
L. ATRICEPS, Kuts. 
L. DISTINGUENDUS, Rye. 
L. ABDOMINALIS, Duft. 
L. suTuRALIS, Marsh. 
L. NASTURTII, F. 
L. PICICEPS, Steph. 
(atricapillus, Redt.) 
L. tycori, Foudr. 
L. Taprpus, F. 
(verbasci, Panz.) 
L. MEMBRANACEUS, Foudr. 
(teucrdi, All.) 
L. BALLOTH, Marsh. 
L. WaATERHOUSEI, Kuts. 
(pratensis, Panz. ?) 
* In the var. thapsi-of L. tabidus and the var. Poweri of LZ. gracilis the suture is 
infuscate ; in LZ, ewoletus it is sometimes ferruginous, 
VOL. IY. 
Z 
