SEASONAL VARIATION OF AMINOACIDS AND CARBOHYDRATES IN HAEMOLYMPH OF SPODOPTERA LITURA FABRICIUS (LEPIDOP TERA: NOCTUIDAE) FED WITH DIFFERENT HOST PLANTS

Spodoptera litura, an important polyphagous pest, causes serious threat to a large number of economically important crops all over the world. In the present study, the quantitative analysis of aminoacids and carbohydrates in haemolymph of the last instar larvae of Spodoptera litura fed with five different host plant leaves was carried out. A comparative study of the biochemical components in the selected host plant leaves was also carried out. The data obtained were statistically analysed using one-way ANOVA (P<0.01). The results revealed that there was a significant variation in the concentration of these biochemical components in haemolymph with respect to the feeding material and with seasonal variation.