Нено Атанасов; Емилия Василева [Neno Atanassov; Emilya Vasileva]
30 April 1990 ·
volume 2 · pp. 12–18 ·
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Abstract: [no abstract available originally]
[Summary]: The processing of the Apoidea material kept at the National Natural History Museum has resulted in the identification of 57 new species and subspecies for the Bulgarian fauna and new finds of other five species with poorly studied distribution. The authors would like to express their gratitude to Engineer M. Kocourek and to Dr. K. Warncke for the species collected and identified by them (one asterisk — det. M. Kocourek, two asterisks — K. Warncke).