Eur. J. Entomol. 94 (3): 421-424, 1997

Cytogenetic analysis of some aradid species (Heteroptera: Aradidae)

GROZEVA S.
N/A

Known sex chromosome mechanisms in Aradidae are XX : XY or compound X(XnY). The present paper adds data obtained from studying testes of adults and stage IV and V larvae of four aradid species. The number of chromosomes and their behaviour during spermatogenesis (in Aradinae for the first time) were documented and illustrated: Aradus cinnamomeus Panter -2n = 35 (32 + X1X2Y); Aradus corticalis corticalis (L.) -2n = 28 (26 + XY); Aradus conspiculus Herrich-Schaffer 2n = 28 (26 + XY); Aneurus avenius Dufour -2n = 27 (24 + X1X2Y). Mechanisms which could have played a role in karyotype evolution in the family are discussed in the context of this study and data from literature.

Keywords: Karyotype, male reproductive system, flat bugs, Aradidae

Accepted: January 21, 1997; Published: July 30, 1997  Show citation

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GROZEVA, S. (1997). Cytogenetic analysis of some aradid species (Heteroptera: Aradidae). EJE, 94(3), 421-424
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