-
By: Betrem, J. G. (Johan George),
Type: Article
In: Tijdschrift voor entomologie
Volume: Suppl. 75
Series:
Issue:
Date: 1932
Page Range: 89--96
Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Tijdschrift voor entomologie
Volume: 78
Series:
Issue:
Date: 1935
Page Range: 1--78
Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Tijdschrift voor entomologie
Volume: 88
Series:
Issue:
Date: 1947
Page Range: 409--416
Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Tijdschrift voor entomologie
Volume: 95
Series:
Issue:
Date: 1951
Page Range: 331--340
Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Entomologische berichten
Volume: 15
Series:
Issue:
Date: 1954
Page Range: 106--112
Publication Info: Amsterdam
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Tijdschrift voor entomologie
Volume: 103
Series:
Issue:
Date: 1960
Page Range: 51--81
Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Entomological news
Volume: 73
Series:
Issue:
Date: 1962
Page Range: 205--207
Publication Info: [Philadelphia], American Entomological Society, 1925-
Subjects:
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By: Betrem, J. G. (Johan George),
Type: Article
In: Entomological news
Volume: 73
Series:
Issue:
Date: 1962
Page Range: 146--146
Publication Info: [Philadelphia], American Entomological Society, 1925-
Subjects:
-
By: Betrem, J. G. (Johan George),
Type: Article
In: Entomological news
Volume: 74
Series:
Issue:
Date: 1963
Page Range: 70--72
Publication Info: [Philadelphia], American Entomological Society, 1925-
Subjects:
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By: Bradley, J. Chester (James Chester), - Betrem, J. G. (Johan George),
Type: Article
In: Bulletin of the British Museum (Natural History) Entomology
Volume: 20
Series:
Issue:
Date: 1967
Page Range: 287--327
Publication Info: London, The Museum, 1950-1977
Subjects: