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Therefore, the structure of the alimentary canal of <jats:italic>T. dilaticollis<\/jats:italic> was examined using light and electron microscopies. Results have shown that the alimentary canal in <jats:italic>T. dilaticollis<\/jats:italic> is consisted of three separate regions as foregut, midgut, and hindgut structurally between the mouth and the anus, which pass from head, thorax, and abdomen. The foregut consists of pharynx, esophagus, crop and proventriculus and in the crop part, expansion is seen compared to other foregut parts. Midgut of <jats:italic>T. dilaticollis<\/jats:italic> is the largest part of digestion system. The anterior region of midgut is twofolds wider than the posterior region. The posterior midgut extends tubularly and it is connected to eightgastric caeca. The hindgut of <jats:italic>T. dilaticollis<\/jats:italic> consists of fourparts as pylorus, ileum, colon, and rectum. Well\u2010developed muscle layers are found near the rectum and genital chamber. These results contribute to further studies on the ecology and biological control agents of Coleoptera and to provide a broad comparison of alimentary canal of Coleoptera species.<\/jats:p>","DOI":"10.1002\/jemt.23507","type":"journal-article","created":{"date-parts":[[2020,6,2]],"date-time":"2020-06-02T00:40:32Z","timestamp":1591058432000},"page":"1153-1162","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Anatomical and histological studies of the alimentary canal of adult maize leaf weevil, <scp><i>Tanymecusdilaticollis<\/i> Gyllenhal<\/scp>, 1834 (Coleoptera: Curculionidae)"],"prefix":"10.1002","volume":"83","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7402-1360","authenticated-orcid":false,"given":"Selami","family":"Candan","sequence":"first","affiliation":[{"name":"Department of Biology, Faculty of Science Gazi University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7137-8631","authenticated-orcid":false,"given":"Nurcan","family":"\u00d6zyurt Ko\u00e7ako\u011flu","sequence":"additional","affiliation":[{"name":"Department of Biology, Faculty of Science Gazi University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mustafa","family":"G\u00fcll\u00fc","sequence":"additional","affiliation":[{"name":"Department of Plant Protection, Faculty of Agriculture Bing\u00f6l University  Bing\u00f6l Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00dczeyir","family":"\u00c7a\u011flar","sequence":"additional","affiliation":[{"name":"Vocational School of Health Services Gazi University  G\u00f6lba\u015f\u0131, Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,6]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.13005\/bbra\/1109"},{"key":"e_1_2_7_3_1","first-page":"135","volume-title":"Insectultrastructure","author":"Berridge M. 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