1916

Modicogryllus truncatus (Tarbinsky, 1940)’un (Orthoptera: Gryllidae) Büyümesi ve Üremesi Üzerine Değişik Besinlerin Etkileri

Modicogryllus truncatus (Tarbinsky, 1940)’un büyümesi ve üremesiüzerine çeşitli besinlerin etkileri araştırıldı. Bu çalışmada, yapısıkimyasal olarak bilinen besinden herhangi bir bileşeninçıkartılmasıyla hazırlanan yeni bir besinle böceğin laboratuvarkoşullarında yetiştirilmesine dayanan metot kullanılmıştır. Bununiçin, nimfler ergin oluncaya kadar maruldan oluşan stok kültürortamı, yağsız ve buğday tohum yağı içeren sentetik besinler olmaküzere üç farklı besin ortamında yetiştirilmiştir.Marulla beslenen nimflerin 30. günde ortalama vücut ağırlıkları iledişi ve erkek nimflerin 60. gündeki ve erkeklerin 90. gündekiortalama ağırlıkları; diğer iki sentetik besinle beslenenlerdenyüksek olurken, yağsız ve buğday tohum yağlı sentetik besinlerlebeslenen örneklerin ortalama vücut ağırlıkları benzer bulunmuştur.Böceklerin, yağsız yapay besinle iki nesil başarılı bir şekildebüyüdükleri gözlenmiştir.E vitamini içeren yağsız besin ve buğday tohum yağı içerenbesinlerde dişilerin bıraktığı yumurtalardan nimf çıkış yüzdesibirbirine yakın olmuştur. Bu sonuçlara göre M. truncatus yağsızsentetik besin üzerinde büyüyüp üreyebildiği görülmüştür.

The Effects of Various Diets on the Growth and Reproduction of Modicogryllus truncatus (Tarbinsky, 1940) (Orthoptera: Gryllidae)

The effects of various diets on the growth and reproduction of Modicogryllus truncatus (Tarbinsky, 1940) were investigated. The method, based on rearing of the insects on a new diet prepared by discarding one of components from known chemical diet under laboratory condition was used in this study. For this, nymphs were reared separately on three different diets such as stock culture medium containing lettuce, fat-free artificial diet and artificial diet containing wheat germ oil until reaching the adult stage. Average body weights in 30-days old nymphs and 60-days old male and female nymphs and 90-days old male nymphs reared on lettuce were higher than those reared separately on two synthetic diets. But average body weights of nymphs reared on fat-free artificial diet and artificial diet containing wheat germ oil were similar. Insects were reared successfully through two generations on fat-free artificial diet. The hatching percentage of eggs laid by the females reared together with the males on fat-free diet containing vitamin E and wheat germ oil were similar to each other. According to these results, M. truncatus reared on fat-free artificial diet can successfully grow and reproduce.

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