Nebraska Academy of Sciences

 

Date of this Version

1994

Document Type

Article

Comments

1994. Transactions of the Nebraska Academy of Sciences, 21: 55-61. Copyright © 1994 Schmidt.

Abstract

The egg, third instar larva and pupa of Neobisnius sobrinus (Erichson) are described and illustrations of structural features are provided. Both adults and larvae are cryptic and hygrophilous, living in moist organic debris along streams and ponds. The species appears to have a polyvoltine life cycle. Larval-rearing techniques are described and data presented on growth of immatures. This first detailed description of any Neobisnius larva indicates that the genus differs from related genera in having three stemmata on each side of the head, a mandible with seriations on the inner margin, and sharp cuticular spines on the inner surface ofthe first segment of the urogomphus.

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