Characteristics of the Drosophila paulistorum Male Sterility Agent in a Secondary Host, Ephestia kuehniella
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منابع مشابه
Characteristics of the Drosophila paulistorum Male Sterility Agent in a Secondary Host, Ephestia kuehniella.
Crosses among the six semispecies of Drosophila paulistorum produce sterile male hybrids. This sterility is caused by an agent which has characteristics of a microorganism. It is pathogenic in a secondary host, the larvae of the Mediterranean meal moth, Ephestia kuehniella, and can be serially passaged in Ephestia, where it is lethal. The agent was passaged back into D. paulistorum, where it in...
متن کاملMechanisms of male sterility in hybrids of the Drosophila paulistorum group.
ROSOPHILA PAULISTORUM is a superspecies composed of five semispecies (the Centroamerican, Amazonian, Andean, Orinocan, and Interior), and a heterogeneous group of Transitional populations (DOBZHANSKY, PAVLOVSKY and EHRMAN 1969; SPASSKY et al. 1971 ) . External morphological, physiological, and ecological differences between the semispecies are too small to be of use in distinguishing the semisp...
متن کاملInduction of hybrid sterility in nonhybrid males of Drosophila paulistorum.
HREE different kinds of hybrid sterility of males occur within the superspecies Drosophila ptzulistorum Dobzhansky and Pavan, and a fourth one will he described in the present paper. The superspecies consists of at least five races or incipient species (DOBZHANSKY and SPASSKY 1959). The F, hybrids between these races are fertile if females and sterile if males. This is a sterility of the genic ...
متن کاملStreptococcal L-forms isolated from Drosophila paulistorum semispecies cause sterility in male progeny.
The Drosophila paulistorum complex contains six semispecies that do not normally interbreed. In the laboratory, crosses between semispecies produce fertile daughters and sterile sons. Microbial endosymbionts have been observed in all D. paulistorum flies that display this male sterility. Streptococcal L-forms have been isolated from the Andean-Brazilian (Mesitas) and Transitional (Santa Marta) ...
متن کاملDevelopmental and Reproductive Biology of the Ectoparasitoid, Elasmus steffani, in a Substitute Host, Ephestia kuehniella
Elasmus steffani (Viggiani) (Hymenoptera: Elasmidae) is a gregarious idiobiont ectoparasitoid of Prays oleae (Bernard) (Lepidoptera: Plutellidae), an olive crop pest. In the substitute host Ephestia kuehniella (Zeller) (Lepidoptera: Pyralidae), the duration of the developmental stages was approximately 11-15 days. The preoviposition was 8.9 ± 5.0 days, and oviposition lasted 30.4 ± 10.5 days, w...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1981
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.42.5.838-842.1981