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Mastigoproctus brasilianus (Uropygi) - Balz und Spermaübertragung


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Formal Metadata

Title Mastigoproctus brasilianus (Uropygi) - Balz und Spermaübertragung
Alternative Title Mastigoproctus brasilianus (Uropygi) - Courtship and Sperm Transfer
Author Weygoldt, Peter
License No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties.
DOI 10.3203/IWF/E-1915
IWF Signature E 1915
Publisher IWF (Göttingen)
Release Date 1973
Language Silent film
Producer IWF
Production Year 1972

Technical Metadata

IWF Technical Data Film, 16 mm, 118 m ; F, 11 min

Content Metadata

Subject Area Life Sciences
Abstract Geißelskorpion. Das Männchen ergreift die Partnerin an den Palpenscheren und faßt ihre Fühlerbeine mit den Chelizeren. Das Weibchen umgreift den Hinterleib des Männchens. Dieses setzt eine Spermatophore ab, zieht das Weibchen darüber, dreht sich um, umgreift den Hinterleib der Partnerin und drückt mit den Palpenscheren die Samenpakete in die weibliche Geschlechtsöffnung.
The film shows the mating behaviour of Mastigoproctus brasilianus C. L. Koch. When a male encounters a female he taps her body with his antenniform legs and grasps her antenniform legs with his palpal chelae. Then, he starts "chewing" on the tips of her antenniform legs. After about an hour he releases her antenniform legs from his palpal chelae but continues to hold their tips between his chelicerae, and turns until facing the same direction as the female. The female now embraces his opisthosoma from behind and below. In this position he deposits the spermatophore. This takes about three hours. Thereafter, the male slowly steps forward, moving his flagellum from side to side, and pulls the female towards the spermatophore. The female picks up two sperm packages from the spermatophore and releases the male's opisthosoma. The male now turns towards the female, steps over her front and embraces her opisthosoma from above. With his palpal chelae he pushes the sperm packages into the female gonopore and into the seminal receptacles and moves their ends from side to side, thereby emptying the sperm reservoirs. Later, the female shakes her body and the male releases her opisthosoma and walks away.
Keywords Geißelskorpion
Skorpion / Geißelskorpion
Mastigoproctus brasilianus
Spermatophore / Arachnida
Paarung / Uropygi
Balz / Arachnida
courtship / Arachnida
mating / Uropygi
spermatophore / Arachnida
copulation / Uropygi
Mastigoproctus brasilianus
whip scorpion
king whip

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