Studies on the behaviour pattern of feeding of three species of cockroaches, Blattella germanica (L.), Periplaneta americana L., and P. fuliginosa S., with special reference to their responses to some constituents of rice bran and some carbohydrates

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  • 3 種のゴキブリ Blattella germanica (L.), Periplaneta americana L., および P. fuliginosa S. の食物に対する行動のパターンの研究特に米ぬかおよび炭水化物に対する反応
  • 3種のゴキブリBlattella germanica(L.),Periplaneta americana L.,およびP.fuliginosa S.の食物に対する行動のパターンの研究 特に米ぬかおよび炭水化物に対する反応〔英文〕
  • 3シュ ノ ゴキブリ Blattella germanica L. , Periplaneta americana L. , オヨビ P.fuliginosa S. ノ ショクモツ ニ タイスル コウドウ ノ パターン ノ ケンキュウ トクニ コメヌカ オヨビ タンスイカブツ ニ タイスル ハンノウ エイブン

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In order to investigate the behaviour pattern of feeding of three species of cockroaches, some preliminary experiments were carried out on their responses to olfactory and gustatory stimuli of food origin. The responses of the three species to the constituents of rice bran and some carbohydrates clearly indicate that the chemical basis of their food preference can be classified under four headings; (1) volatile substances which are soluble in n-hexane and act as olfactory attractants, (2) methanol-or water-soluble and (3) n-hexanesoluble substances which act as feeding stimulants, and (4) sugars and related compounds also acting as gustatory feeding stimulants. There is the lack of specificity of some feeding stimulants such as maltose, L-arabinose, sorbitol, fructose and sucrose among the three species. It is likely that there is the lack of specificity of n-hexane soluble releaser substances among them. The effects of galactose and mannitol, however, are somewhat or highly species-specific in the three species, and there are different responses to the acidic fraction A of the n-hexane soluble extract of rice bran between B. germanica and the other two species. There are also different responses to the n-hexane extract S_1 and to the acidic fraction A between the newly hatched nymphs and adults in P. americana.

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