| Monrae, R.S. (1963) A genetic study of the Tetranychus telarius complex. Acarologia, 5, 545-555. |
....that the speciation is still in progress. The extent of speciation can be seen in many breeding experiments demonstrating complete reproduction isolation between the two or reduced fertility of hybrid offsprings (Keh 1952; Boudreaux 1956; Dillion 1958; Parr Hussey 1960; van de Bund Helle 1960; Monrae 1963; Jordaan 1977; Kuang Cheng 1990; P. Croft et al. personal communication, 2000) The experiments showing the lack of these reproductive barriers are the exceptions (i.e. Dupont 1979) rather than the usual. Several morphological characters commonly used in the past (by Boudreaux 1956 and Kuang ....
Monrae, R.S. (1963) A genetic study of the Tetranychus telarius complex. Acarologia, 5, 545-555.
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