Cadraspecies can usually be recognized by their reduced forewing venation: veins 4, 7 and 9 are missing, making for a total of nine veins in the forewing. Some members of this genus are significant pests of dry plant produce, such as seeds and nuts. The almond moth (C. cautella) is a well-known example of these.[1]
^"GlobIZ search". Global Information System on Pyraloidea. Retrieved June 21, 2017.
References
Clarke, John Frederick Gates (1986): Pyralidae and Microlepidoptera of the Marquesas Archipelago. Smithsonian Contributions to Zoology416: 1–485. PDF full textArchived 2012-03-27 at the Wayback Machine (214 MB!)
Savela, Markku (2009): Markku Savela's Lepidoptera and Some Other Life Forms – Cadra. Version of 14 April 2009. Retrieved 10 April 2010.