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Ontogenese komplexu dorsoabdominálních pachových žláz u zástupců kněžic (Heteroptera: Pentatomoidea). / Ontogeny of dorsoabdominal scent gland complex in the representatives of the Pentatomoidea (Heteroptera).Kutalová, Kateřina January 2010 (has links)
Dorso-abdominal scent glands (= DAGs) of larvae represent one of apomorphic characters of insects order Heteroptera. These glands can persist until adults in different taxa. The persistence of DAGs were proved in the members of the family Acanthosomatidae. The ontogenetic development of DAGs cuticular structures were studied in all stadia, from 1st larval instar to adults of acanthosomatid Elasmucha ferrugata (Fabricius, 1787). The study concerned external structures and sculptures associated with DAG ostiole and areas of their surfaces, as well as internal structures, shape of gland reservoir and number of conducting ductules of proper glandular units. The light microscope and stereomicroscope and scanning electron microscope were used for this comprehensive study.
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Stav dorsoabdominálních pachových žláz u imag ploštic taxonu Pentatomomorpha (Heteroptera) / Condition of dorsoabdominal scent glands in adults of the true bugs from the taxon Pentatomomorpha (Heteroptera)Křížková, Petra January 2014 (has links)
Existence of larval dorsoabdominal scent glands (DAGs) together with occurence of adult metathoracic scent glands is one of the important autapomorphic characters of taxon Heteroptera within taxon Insecta. DAGs can persist until adults in some species of this taxon. The persistence of DAGs were proved also in members of infraorder Pentatomomorpha. Targets of this thesis are: collect the knowledge about persistent adult DAGs in selected representative members of important families of taxon Pentatomomorpha; study and compare the condition of the DAGs in the oldest larval instars and adults; clarify the significance of existence the openings of conducting ductules of proper glandular units in reservoir intima of DAGs in study of the persistence of these glands. For study were used stereomicroscope, light and scanning electron microscope. Key words: Pentatomomorpha, Heteroptera, dorsoabdominal scent glands, openings of conducting ductules of glandular units, larvae of 5th instar, persistence in adults, persistence patterns, light microscope, scanning electron microscope
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