Wille, A. (1967). A new species of stingless bee Trigona (Plebeia) from Costa Rica, with descriptions of its general behavior and cluster-type nest.
শিকাগো স্টাইলে সাইটেশনWille, Alvaro. A New Species of Stingless Bee Trigona (Plebeia) From Costa Rica, With Descriptions of Its General Behavior and Cluster-type Nest. 1967.
এমএলএ সাইটেশনWille, Alvaro. A New Species of Stingless Bee Trigona (Plebeia) From Costa Rica, With Descriptions of Its General Behavior and Cluster-type Nest. 1967.
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