• Publications
  • Influence
Head Movements in Flies ( Calliphora ) Produced by Deflexion of the Halteres
1.The heads of resting flies will twitch to the side if the haltere is deflected rapidly forwards. Head movements are always away from the stimulated haltere and do not occur if the haltere isExpand
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Caterpillars detect flying wasps by hairs sensitive to airborne vibration
Summary1.Intact caterpillars (Barathra brassicae) react to the airborne vibrations of an approaching wasp (Dolichovespula media) by cessation of movement or by squirming. These reactions are noExpand
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Borstenfelder an den Gelenken als Schweresinnesorgane bei Ameisen und anderen Hymenopteren
  • H. Markl
  • Biology
  • Zeitschrift für vergleichende Physiologie
  • 1 September 1962
l n h a l t s i i b e r s i e h t seite E in l e i t ung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476 A. Morphologie der Bors ter~elder . . . . . . . . . . . . . . . . . . . . .Expand
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SPECIES SPECIFICITY OF ELECTRIC ORGAN DISCHARGES IN A SYMPATRIC GROUP OF GYMNOTOID FISH FROM MANAUS (AMAZONAS)
SUMMARY We collected weakly electric gymnotoid fish in the vicinity of Manaus, Amazonas, in the Solimoes river (white water). We tried to find out whether Electric Organ Discharges (EODs) are speciesExpand
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Sex and parental experience determine the onset of an instinctive behavior in mice
Ultrasonic calls of young mouse pups (Mus musculus) release parental care (retrieving pups, licking, nest-building) in adults of either sex [1]. Here, we demonstrate that female and male mice needExpand
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Schallerzeugung bei Piranhas (Serrasalminae, Characidae)
  • H. Markl
  • Biology
  • Zeitschrift für vergleichende Physiologie
  • 1 March 1971
Summary1.Piranhas (Serrasalmus nattereri Kner, S. rhombeus Linne, S. hollandi Eigenmann, S. striolatus Steindachner, S. elongatus Kner) produce sound by means of a swimbladder-mechanism with pairedExpand
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Vibration signal transmission in spider orb webs.
Vibration transmission from the prey-catching region to the hub of the unloaded orb web of Nuctenea sclopetaria was measured by laser vibrometry. Compared to transverse or lateral vibrations,Expand
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Stridulation in Leaf-Cutting Ants
  • H. Markl
  • Biology, Medicine
  • Science
  • 17 September 1965
The leaf-cutting ant Atta caphaloes L. stridulates whenever it is prevented from moving freely. Although audible to the human ear, the airborne sound produced has its main energy concentrated betweenExpand
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Die Verständigung durch Stridulationssignale bei Blattschneiderameisen
  • H. Markl
  • Physics
  • Zeitschrift für vergleichende Physiologie
  • 1 June 1968
Summary1.Structure and function of the stridulatory apparatus in leaf cutting ants (especiallyAtta cephalotes) are described. The posterior rim of the postpetiolar tergite acts as a scraper, an areaExpand
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Geomenotaktische Fehlorientierung bei Formica polyctena Förster
  • H. Markl
  • Art
  • Zeitschrift für vergleichende Physiologie
  • 1 September 1964
Zusammenfassung1.Arbeiterinnen von Formica polyctena können auf geneigter oder senkrechter Lauffläche sowohl beim Sammeln von Futter als auch beim Eintragen von Puppen ihren Weg vom Nest zum Ziel undExpand
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