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Characteristics of a Laboratory Strain of Coleomegilla maculata with Novel Heritable Wing Spot Pattern Trait

Permanent URL:
http://handle.nal.usda.gov/10113/61844
File:
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Abstract:
The lady beetle Coleomegilla maculata is a common New World insect that is naturally colored pink to red or orange with black spots on the forewings of the adult stage. Previous laboratory inbreeding resulted in selection for a strain lacking red pigment in the cuticle and eyes. An additional strain selected for a novel spotting pattern is described here. The inheritance of the new trait, “ten spotted” (10sp), was determined by classical crossing experiments. Inheritance of the trait was autosomal and exhibited incomplete dominance. Bionomic strain measurements were compared to the parental strains and were similar overall. Two expressed sequences from C. maculate that may be related to the new phenotype were compared to model insect genes encoding a melanin biosynthesis enzyme and a patterning transcription factor.
Author(s):
Margaret Louise Allen
Note:
USDA Scientist Submission
Source:
Advances in entomology 2016 Jan. 28 v.4 no.1
Language:
English
Year:
2016
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Rights:
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.