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Diss Factsheets
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EC number: - | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Toxicity to terrestrial arthropods
Administrative data
- Endpoint:
- toxicity to terrestrial arthropods, other
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Data source
Reference
- Reference Type:
- publication
- Title:
- Influence of a Juvenile Hormone Analog and Dietary Protein on Male Anastrepha suspensa (Diptera: Tephritidae) Sexual Success
- Author:
- R. Pereira, J.Sivinski, P.E.A. Teal
- Year:
- 2 010
- Bibliographic source:
- J. Econ. Entomol. 103(1): 40-46 (2010);
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The goal of the study was to determine the effects of a juvenile hormone analog (methoprene) application, of protein in the adult diet, and their interactions on the sexual performance of males of the Caribbean fruit fly, Anastrepha suspensa (Loew). Specifically, male competitiveness in agonistic interactions with competing mates, attractiveness to females, and mating success were measured. Experiments were conducted in laboratory and field cages and on daily and lifetime
bases. - GLP compliance:
- not specified
- Remarks:
- published data
- Application method:
- oral
Test material
- Reference substance name:
- yeast protein hydrolysate
- IUPAC Name:
- yeast protein hydrolysate
Constituent 1
Test substrate
- Details on preparation and application of test substrate:
- hydrolyzed protein was added to the sugar diet in a proportion of three parts of sugar and one part of hydrolyzed yeast protein.
Test organisms
- Test organisms (species):
- other: Anastrepha suspensa
- Animal group:
- Diptera (fruit fly (small))
Study design
- Study type:
- other: Laboratory study and field study
- Total exposure duration:
- 35 d
Test conditions
- Test temperature:
- Laboratury study: 25 +/-1 deg C
Field study: 24 - 30 deg C - Humidity:
- Laboratury studyL 55+/-5%
Field study: 48 - 79% - Photoperiod and lighting:
- Laboratury study: photoperiod of 13 L:11D(light from 07:00 to 20:00 h), with light intensity of 550+/- 50 lux
Field study: Light intensity dropped from 1,112 +/- 135 lux at 17:00 to 291 +/- 71 lux at 19:00 h. The maximum light intensity was registered on 12 October at 17:00 hours (1,345 lux). Sunset occurred at 19:11 h on 4 October (first day of experiment) and at 19:00 h on 13 October (last day of experiment). - Nominal and measured concentrations:
- 25% of the diet
Results and discussion
- Details on results:
- Both laboratory and field cage tests found a clear increase in male sexual performance caused by Methoprene application, the addition of protein in the diet, and the interaction of methoprene and protein. This was true whether methoprene was applied or not, although the addition of methoprene with protein resulted in the highest levels of male sexual success. Protein diet might also influence success in agonistic encounters, a frequent occurrence in lekking.
Incorporation of protein in adult diet improved male sexual success also in several other insects.
Applicant's summary and conclusion
- Conclusions:
- The substance incorporated into diet was not causing any adverse effects in tested organisms, in fact it improved sexual performance.
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