Petiole (insect anatomy) a pedicel, but in entomology, that term is more correctly reserved for the second segment of the antenna; while in arachnology, 'pedicel' is the accepted term to define the constriction between the cephalothorax and abdomen of spiders. The plump portion of the abdomen posterior to the petiole (and postpetiole in the Myrmicinae) is called the gaster. The structure of the petiole is an easy way to visually classify ants, because the major subfamilies of Formicidae have structural differences: some ants have two-segmented petioles, while others have a single-segmented petiole. Petiole may also be used in the context of wing veins,
Nawa Insect Museum Nawa Insect Museum The is a museum in the city of Gifu, Gifu Prefecture, Japan. It is operated by the Nawa Insect Research Center. Yasushi Nawa, the man who discovered the Gifu Butterfly and is known as "The Insect Man," opened the Nawa Insect Research Center in April 1896. The center was moved to its present location in Gifu Park in 1904, and became the Nawa Insect Museum in 1919, the first insect museum in Japan. It currently houses over 300,000 specimens of 18,000 different insect species. The building that houses the museum was designed by Goichi Takeda in a