Dinosaur Era Cretaceous Amber Insect Association

Lacewing, Bristletail, and Beetle

Fossil Amber with Lacewing, Bristletail, and Beetle Inclusions

Crocidae indet
Class Insecta Order Neuroptera, Family Crocidae (previously Subfamily Crocinae)

Aff Cretalepisma kachinicum
Class: Insecta, Order Archaeognatha

Coleoptera indet
Class Insecta, Order Coleoptera

Geological Time: Late Cretaceous, Cenomanian Stage (~100 million years ago)

Sizes: Amber: 13 mm long , 7 mm across , Inclusions: Lacewing: 11 Bristletail: 9 mm (overall) Beetle: 2mm

Fossil Site: Hukawng Valley, Kachin State, Myanmar

Code: MYA13

Price: $995.00


Dinosaur Era Cretaceous Amber Insect Association Description: This plaque of amber displays an association whose most distinctive inclusion is an unusual larval form of a thread-winged lacewing of the family Crocidae. Until recently these were assigned to the family Nemopteridae as a subfamily (Crocinae) but have been judged sufficiently different to rate their own family. Note the long cervical lacewing insect larvaregion that has earned extant examples the colloquial name “violin larva”. These larvae are ambush predators and sometimes bury themselves in detritus. The elongation gives them a chance to have the body more unobtrusive. Ants are a presumed prey species. The next inclusion is a fine example of the Archaeognatha (Bristletails). While several are known from the region, this one is most like the genus Cretalepisma. The Bristletails have been extant since the Devonian, and are little changed in all that time. This one is seen with a tiny 2 mm beetle, making for a fine example of the diverse life from some 100 million years ago during the dinosaur era.

Reference: AMNH Novitates, No. 3361, Mar 26, 2002.

Also see: Cretaceous Jersimantis luzzii praying mantis in amber from New Jersey and Cretaceous Praying Mantis in Fossil Amber from Hukawng Valley

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