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Family Tipulidae

Key to Tipulidae Larvae. This key covers larvae of the 9 genera of Tipulidae that we have collected in North Dakota rivers and streams. This key aids by providing simple features you can look for to identify your specimen. After using the key, confirm the identity of your specimen by reading the genus page.

 
Group 1 - Five or six lobes are visible on the spiracular disk (Fig. 1 and 2)... Genera Erioptera, Ormosia, Prionocera, and Tipula.

Prionocera spiracular lobes Ormosia spiracular lobes
 
Group 2 - Four or fewer lobes are visible on the spiracular disk (Fig. 3 and 4)... Genera Dicranota, Hexatoma, Limnophila, Limonia, and Pilaria

Hexatoma or Limnophila lobes Dicranota spiracular lobes
 

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