Weevils - Entomological Society of Canada

5. Antennae with distinct clubs (Fig. 15). Body stout, glabrous
pubescent. Rostrum similar in both sexes .
b.
7.
8.
9.
10.
11
I4
Antennae without distinct clubs (Fig. 16). Body very slender and
elongate, glabrous (Fig. 4). Rostrum of male broad, flattened
(Fig. 45); rostrum of female needle-shaped tFig.46)
Brentid.ae (p. 66)
Trochanter short, triangular; femur attached to side of trochanter
(Fie. 21) . . .. '. . 7
Trochanter longer, somewhat cylindrical; femur attached to apex of
trochanter (Fig. 20) Apionidae (p. 70)
Mandibles not toothed on outer margin. Tarsal claws without basal
process (as in Fig. 36) . . . 8
Mandibles toothed on outer margin (FiS. 22). Tarsal claws with
basal process (as in Figs. 35, 37, 38) . . . . . Rhynchitid'ae @.142)
Tarsal claws free (as in Fig. 36). Antennal club compact,
S-segmented; segments closely united (Fig. 10). Body length greater
than 10 mm . . . . IthYceridae (P. L7L)
Tarsal claws connate (as in Fig. 39). Antennal club clearly
3-segmentedbut not compact; segments not closely united (Fig. 11).
Body length less than 10 mm . Attelabidae (p.175)
Pregular sutures present; pregular sclerite distinct, between
median gular
suture and labial articulation (Figs. 25, 26). Rostrum
absent
10
Pregular sutures absent; pregular sclerite not evident (as rn
Fig.23). Rostrum varying from very long to short and broad, or
nearly absent ':...... 11
Tarsal segment 1 as long as segments 2-5 combined (Figs. 12,I3).
Head as wide as pronotum (Figs. 12, 13). Pronotum usually with
lateral constriction near middle (Figs. 12, LB). Antennal club
without sutures (Figs. 12, 13). Lateral denticles on protibiae never
socketed Platypodidas (P. 184)
Tarsal segment 1 not longer than segments 2 or 3' Head narrower
than pronotum, often concealed by pronotum when viewed from
above. Pronotum not constricted laterally. Antennal club with
:T: : i:::li' i:::1": : :: :::'$# t:;;yil 3f ?l?i".;i r,",."i.,
Trochanter long, somewhat cylindrical; femur attached to apex of
trochanter (Fig. 20) .. .. Apionidoe (Nanophyes) (p. 70)
Trochanter short, triangular; femur attached to side oftrochanter
(Fig.21) ..... Curculionid.ae(notincludedherein)
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