Comparative Courtship Behavior and Karyology in Monodontomerus (Hymenoptera: Torymidae)

Autor:	Carll Goodpasture
Rok vydání:	1975
Předmět:	food.ingredient Courtship display biology media_common.quotation_subject Zoology Karyotype Anatomy Hymenoptera biology.organism_classification Torymidae Courtship food Genus Insect Science Monodontomerus Ploidy media_common
Zdroj:	Annals of the Entomological Society of America. 68:391-397
ISSN:	1938-2901 0013-8746
DOI:	10.1093/aesa/68.3.391
Popis:	The sexual behavior and chromosome complement of 4 species of Monodontomerus Westwood are described. Courtship involves approach, display (precopulatory behavior), and copulation. Male display consists of a repetitive series of sterotyped movements which increase in amplitude and frequency of occurrrence until a highly ritualized and species-characteristic climax act is performed. Although the basic courtship pattern in Monodontomerus is similar to that of other chalcidoids, several unique elements of male climax display are present. These include swiveling of the head about the neck in males of M. saltuosus Grissell and appression of the scapes against the female antennae in males of M. montivagus Ashmead and M. dementi Grissell. Haploid karyotypes of 4 metacentric (M. obscurus Westwood), 5 metacentric (saltuosus), and 5 metacentric + 1 small acrocentric chromosome (montivagus and dementi) are reported. A framework of systematic relationships within the genus is constructed based on ethological and karyological data. A chromosome number of n=5 and a prolonged dorsal display consisting of antennation, wing flicking, and mouthpart movements are postulated as ancestral for the genus.
Databáze:	OpenAIRE
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