Nineta

Navás, 1912

Nineta lacewings

Species Guides

Nineta gravida

Nineta is a of green lacewings in the Chrysopidae, tribe Chrysopini, erected by Longinos Navás in 1912. occur across Europe, eastern Asia, and North America. Research on Nineta species has contributed significant findings on photoperiodic sensitivity in insects, particularly regarding induction and seasonal in larval development.

Nineta gravida by no rights reserved, uploaded by Ben Keen. Used under a CC0 license.

Pronunciation

How to pronounce Nineta: /naɪˈniːtə/

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Identification

Members of Nineta can be distinguished from other Chrysopini by genitalic characters; specific identification typically requires examination of male genitalia and wing venation patterns.

Images

Distribution

Europe through eastern Asia to North America. Specific country records include Denmark, Norway, and Sweden.

Life Cycle

Larvae of at least two (N. flava, N. pallida) exhibit -dependent as within cocoons. In N. flava, short-day conditions ( 8:16, 12:12) during larval rearing result in earlier spring reactivation after compared to long-day conditions, with a critical photoperiod threshold around LD 16:8. In N. pallida, photoperiodic response varies seasonally: autumn and winter larvae show delayed development under short days, while spring and early summer larvae show reversed response with long days slowing development.

Behavior

Photoperiodic sensitivity in larvae regulates timing and developmental rate, serving as a mechanism for seasonal synchronization of the .