High incidence of infection of an undescribed microsporidium (Microspora) in the communal bee Andrena scotica (Hymenoptera, Andrenidae)
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چکیده
منابع مشابه
The subgenus Andrena (Micrandrena) (Hymenoptera: Andrenidae) in the Iberian Peninsula.
This work presents the results obtained after a revision of the current species of the subgenus Andrena (Micrandrena) Ashmead, 1899 that appear in the Iberian Peninsula. It provides a key to the species, diagnosis, biological data, and comments about the 19 species and 5 subspecies. Additionally, it includes a redescription of five species because their original descriptions were inadequate. Ne...
متن کاملFemale Foraging and Intranest Behavior of a Communal Bee, Perdita portalis (Hymenoptera: Andrenidae)
Ann. Entomol. Soc. Am. 84(5): 537-548 (1991) ABSTRACT Female Perdita portalis Timberlake are ground-nesting, partially bivoltine, communal bees that inhabit the deserts and arid grasslands of Arizona, New Mexico, and northern Mexico. From 2 to 29 adult females may share a single nest. Nests are commonly reused from year to year and may become very large, with >200 overwintering prepupae, althou...
متن کاملNestmate Relatedness in a Communal Bee, Perdita Texana (hymenoptera: Andrenidae), Based on Dna Fingerprinting.
Perdita texana is a facultatively communal bee species with up to 28 females per nest. We used multilocus DNA fingerprinting to test the hypothesis that nestmates are more closely related to each other than are nonnestmates. The mean band sharing proportion among pairwise nestmate comparisons did not differ significantly from the mean among nonnestmate comparisons [P = 0.787 (df = 484)]. Althou...
متن کاملthe impact of musical texts on the text recall of young learners of english in isfahan junior high schools
abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...
15 صفحه اولfocus on communication in iranian high school language classes: a study of the role of teaching materials in changing the focus onto communication in language classes
چکیده ارتباط در کلاس به عوامل زیادی از جمله معلمان، دانش آموزان، برنامه های درسی و از همه مهم تر، مواد آموزشی وابسته است. در تدریس ارتباطی زبان که تاکید زیادی بر توانش ارتباطی دارد، کتاب درسی به عنوان عامل موثر بر پویایی کلاس محسوب میگردد که درس ها را از طریق فراهم آوردن متن ارتباط کلاسی و هم چنین نوع تمرین زبانی که دانش آموزان در طول فعالیت های کلاسی به آن مشغول اند، کنترل می کند. این حقیقت ک...
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ژورنال
عنوان ژورنال: Apidologie
سال: 1997
ISSN: 0044-8435
DOI: 10.1051/apido:19970304