Elytral interstitial intervals | Eye excavated posteriorly | Head | Pronotum median longitudinal grove | Range

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Number scored for a state is in green.

1. Range

22Australia    1Bolivia    1New Caledonia    1North America, Western   

2. Pronotum median longitudinal grove    [Explain]

1Absent    9Weakly developed    15Well developed   

3. Eye excavated posteriorly

24No    1Yes   

4. Head

6Frons laterally expanded    19Frons not laterally expanded   

5. Elytral interstitial intervals

16Odd and some even intervals raised    9Only odd intervals raised