Curculionine. ] RHYNCHOPHORA. 
rostrum usually carinate; trochanters nearly always 
furnished with a long projecting seta. 
aaaa*. Onychium not extending beyond the lobes of 
the third tarsal joint; species very small, sub- 
SAAB Peni Mitiee Abe 3S elise Lea 
bbbb*. Onychium extending considerably beyond the 
lobes of the third tarsal joint ; insects of moderate 
or large size. 
aaaat. Opening of scrobes visible in front if viewed 
from above; rostrum stout ....... 
bbbb+. Opening of scrobes not visible from above ; 
rostrum long and slender . . . ...., , 
bbb}. Third joint of tarsi long behind base of onychium 
truncate or emarginate at apex, rarely slightly 
bilobed ; * insects aquatic or sub-aquatic, usually fur- 
nished with a hydrofuge tegument . Sto ages 
bf. Epimera of mesosternum extending between thorax 
and elytra, and with its extremity visible from above; 
anterior cox usually separated (p. 214, line 12). 
*, Tibize without a curved hook at their apical internal 
angle; tarsal claws often appendiculate ; body 
behind thorax usually short and broad and often 
subglobose; upper surface, as a rule, strongly 
SQUAINOSO! hath cg et Sait fy eee cles as yt hows) 
**, Tibia with a strong curved hook at their apical 
internal angle; tarsal claws simple ; body oblong, 
Audiaswrpleslabrousay tes) St Ge livcee) < . 
B. Funiculus of antennze composed of five joints. 
a. Abdomen with segments 2-4 produced into a point 
GHREHCIBBICe Ab APEX es tier Sawie, ba) on ES 
b. Abdomen with segments 2-4 straight or regularly 
curved at apex egies STS VS eS |S. ey 
2. Tibize with a curved hook at their apical external angle ; 
abdomen with segments 2-4 straight on their apical 
margin, 
A. Antennz abruptly geniculate; anterior cox more or 
less separated. 
a. Prosternum deeply channelled between the anterior 
coxze for the reception of therostruam ...,. . ., 
b. Prosternum not channelled. 
a*, Femora strongly toothed ; upper surface furnished 
with broad raised claviform scale-like hairs . 
b*. Femora not toothed. 
at. Under surface of body uniformly clothed with 
scales ; third tarsal joint very strongly bilobed ; 
pygidium of male divided . . . . . 2... 
bt}. Under surface of body glabrous or almost 
glabrous ; third joint of tarsi smaller and less 
strongly bilobed; pygidium of both sexes un- 
aidcdiewr a Perea Ay ee ws 
B. Antenne feebly geniculate; anterior coxe con- 
Rone Se PNY Cen eiP igs ly Tyg 
bo 
— 
or 
TANYSPHYRINA. 
CURCULIONINA, 
ERIRRHININA, 
BAGOINA, 
CEULHORRHYNCHINA. 
BARINA, 
CIONINA, 
GYMNETRINA, 
CRYPTORRHYNCHINA, 
TRACHODINA. 
PISSODINA. 
COSSONINA. 
MAGDALINA, 
a ee o_O eee. 
* The third joint of the tarsi is rather short and slightly bilobed in Bagous lutosus, 
Gyll., and B. glabrirostris, Herbst., which must therefore be regarded us to a certain 
extent exceptions. 
