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On the species problem in Nicobium castaneum (Col., Anobiidae)
1975 - IRG/WP 134
Nicobium castaneum (Oliv.) is one of the most important wood and book worms of the Mediterranean area (eg Portugal) and South Russian. It also occurs in the USA and Japan. A previous paper (Cymorek 1972) left open the question: is Nicobium castaneum one or two species? Nicobium castaneum is currently regarded as forming two varieties or sub-species - sub-specific taxa which are rarely well defined...
S Cymorek