• Publications
  • Influence
Trypsin-like endopeptidases from the midguts of the larvae from the hornets of Vespa orientalis and Vespa crabro
Abstract Trypsin-like endopeptidases were isolated from the midguts of the larvae of Vespa orientalis and V. crabo by anion exchange chromatography and by affinity chromatography onExpand
  • 31
  • 3
The presence of insulin in and some effects of exogenous insulin on hymenoptera tissues and body fluids.
Abstract o 1. Radioimmunoassay technique has revealed the presence of insulin in the tissues of various Hymenopteran insects, including the honeybee Apis mellifera, the Oriental hornet VespaExpand
  • 38
  • 3
Alarm substances as toxicants of the oriental hornet, Vespa orientalis.
  • H. Saslavasky, J. Ishay
  • Biology, Medicine
  • Life sciences. Pt. 2: Biochemistry, general and…
  • 8 February 1973
Abstract Aliphatic and cyclic ketones function as alarming and poisoning substances of various colony members of the Oriental Hornet, Vespa orientalis . Correlation of structure, alarming andExpand
  • 31
  • 2
Rhythms in acoustical communication by the oriental hornet, vespa orientalis
Abstract By analysis of the acoustical spectrum within the nest of the oriental hornet, three distinct and characteristic categories of sounds have been recognized: (a) Hunger signals produced by theExpand
  • 27
  • 2
  • PDF
Electrical, thermoelectric and thermophysical properties of hornet cuticle
Seebeck effect (thermo-emf), thermal conductivity and electrical conductivity of social hornet cuticle were measured in a direction perpendicular to the cuticular surface. The obtained value of theExpand
  • 14
  • 2
  • PDF
Pharmacological activity of oriental hornet (Vespa orientalis) venom.
Abstract The pharmacological activity of Oriental hornet ( Vespa orientalis ) venom has been studied and some of its active substances characterized. The ld 50 (i.v.) of venom for albino mice was 2·5Expand
  • 60
  • 1
Enzymatic and chemical properties of an endopeptidase from the larva of the hornet Vespa crabro.
An endopeptidase from the larvae of the hornet Vespa crabro has been purified to homogeneity. The enzyme has been characterized with respect to molecular weight, amino acid compositon, and amino- andExpand
  • 23
  • 1
Glucose levels in Vespa orientalis: the effect of starvation.
  • J. Ishay
  • Biology, Medicine
  • Comparative biochemistry and physiology. A…
  • 1975
Abstract 1. Distinct differences in glucose level have been found in the varius tissue fluids of the larvae as well as between the different age groups and castes. The glucose level gradient order inExpand
  • 10
  • 1
Thermoregulation by social wasps: behavior and pheromones.
  • J. Ishay
  • Biology, Medicine
  • Transactions of the New York Academy of Sciences
  • 1 June 1973
  • 41
  • 1
The venom apparatus of Vespa orientalis: morphology and cytology.
Abstract The anatomy and histology of the venom apparatus of Vespa orientalis has been investigated. There are two acid glands per hornet each divided into a secretory part made up of two layers ofExpand
  • 22
  • 1