Catecholamines in the cuticles of four strains of the german cockroach Blattella germanica (L.) during sclerotization and melanization
✍ Scribed by Thomas H. Czapla; Theodore L. Hopkins; Karl J. Kramer
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 741 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0739-4462
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## Abstract Studies were undertaken to determine the ultrastructure and function of the __spiculum copulatus__ (SC) on the seventh abdominal tergum of adult male __Blattella germanica__ (L.). The SC is located on the seventh abdominal tergum in between the anterior pair of tergal gland orifices. I
Juvenile hormone (JH) exerts major pleiotropic effects on cockroach development and reproduction. The production of JH by the corpora allata (CA) in the adult female German cockroach, Blattella germanica, is dependent upon and modulated by both internal and environmental stimuli. Mating, intake of h
## Abstract β‐Sitosterol (3) was converted to blattellastanosides A (1, 6α‐chloro‐4β,5‐epoxy‐5β‐stigmastan‐3β‐yl β‐D‐glucopyranoside) and B (2, 6α‐chloro‐5‐hydroxy‐5β‐stigmastan‐3β‐yl β‐D‐glucopyranoside), the arrestant components of the aggregation pheromone of the German cockroach, __Blattella ge