Taxon:

Display as:
Head
  Antennae: Insertion
   Proximally on head and at least length of antennomere 1 from eye
   Proximally on head, laterally on short and flat rostrum
   Distally on head, near or on apex of rostrum
   Proximally on head, immediately adjacent to eye
   Lateral at the middle of the rostrum or dorsal near the base
   On rostrum, near the base
  Antennae: Funicle - number of articles
   Two (2)
   Three (3)
   Five (5)
   Seven (7)
   Eight (8)
   Four (4)
   Six (6)
   One (1)
  Eyes: type
   Compound and rounded
   Compound, large, and approximate ventrally on head
   Compound, large, and approximate dorsally on head
   Absent
   Compound and elongate-oval
  Antennae appearance
   conspicuous
   long
   short
   inconspicuous
  Antennae: Scape - reach of scape
   Beyond hind margin of eye
   Reaching or beyond the anterior margin of eye
   Not reaching anterior margin of eye
   Just slightly beyond hind margin of eye
  Antennae - antennal shape
   symmetrical, elbowed
   symmetrical, straight
  Mouthparts: Labrum - visibility of labrum
   Visible, articulated
   Invisible (fused with head)
  Mouthparts: Labium - visibility of prementum
   Invisible (withdrawn into oral cavity)
   Visible (or mostly visible)
  Region: Gula - pregular sutures
   Present
   Absent
  Region: Gula - distinct pregular sclerite
   Present
   Absent
Abdomen
  Pygidium - tergite identity (males)
   7th tergite
   8th tergite
Thorax
  Prothorax: Ventral channel for rostrum
   Present
   Absent
  Mesothorax: Mesepimeron - orientation
   Not ascended, not visible dorsally
   Strongly ascended, visible dorsally
  Mesothorax: Ventral channel for rostrum
   Present
   Absent
Legs
  Trochanter: Shape
   Triangular
   Cylindrical
  Tibia: Tooth at inner apical angle
   Present and Various
   Present, smaller than tarsal claw
  Tibia: fore-tibia - denticles
   Absent
   Present, socketed
  Tarsi: 5th Tarsomere - dermal lobes separating claws
   Absent
   Present
  Tarsi: Pseudotetramerous
   Absent (truly tetramerous)
   Absent
   Present (4th tarsomere very small)

Weevils of North America (WoNA)

Nico M. Franz, M. Lourdes Chamorro, David Fleming, Gregory P. Setliff & Charles W. O'Brien; with support from ASUHIC members.
Species Count: 1200

Anthribidae

Attelabidae

Belidae

Brentidae

Curculionidae

Dryophthoridae

Erirhinidae

Ithyceridae

Nanophyidae

Nemonychidae

Raymondionymidae

Rhynchitidae

The National Science Foundation
This project made possible by National Science Foundation Award EF 1207371
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