Artificial diet developed for rearing silkworm was used with minor modification adding mulberry branch ... Larval duration of each instar took long with larval developmental stages, and that of the 1st to the ... In case of artificial diet rearing, the head width of larval instar from the I st to the 12th instars
온도가 벼잎벌레의 산란 및 발육에 미치는 영향을 조사하였다. 조사온도는 15, 20, 23, 25, 로 하여 수행한 결과 발육기간은 에서 에서 최고를 이루고 다시 낮아지는 경향을 보였다. 발육기간은 저온보다 고온()에서 짧은 경향을 보였다. 알발육영점도는 , 총유효적산..
Glucose, trehalose, and glycogen content were measured in haemolymph and the body during larval development ... sharply at the two latter instar larval stages. ... Glucose content varied in haemolymph, but in the body it gradually decreased at all larval stages.
those fed on soybean and perilla leaves and the opposite case wastrue during mid-larval development ... During the early larval development, at 28C and 32C the larvafed on sweet potato leaf was heavier than ... The mean larval mortality was 68.896, 44.5%and 33.8% at 24C. 28C and 32"C, respectively.
두류 품종별 잎특성에 따른 담배거세미나방 유충의 발육과 식엽량을 조사하였다.유충 기간은 검정콩 l호에서 11.5일로 가장 짧았으며, 대광땅콩에서 15.7일로 가장 길어어 두류 품종에 따라 현저한 차이가 있었다. 유충의 영기별 발육기간은 l령에서 3 .2~5.0일로 가장..
Larval development and adult oviposition of the Oriental tobacco budworm, Heliothis assulta were examined ... High larval mortality was observed with extracts from Rhamnus davurice. ... Most of larval mortality occurred during first and second instar, apparently due to antifeeding effects
열대거세미나방(Spodoptera frugiperda)(밤나방과) 유충 사육을 위해 이전에 개발된 두 인공사료(N4와 N6)가 뒷흰가는줄무늬밤나방 (Mythimna loreyi)(밤나방과 ... The two previously developed artificial diets (N4 and N6) used for rearing Spodoptera frugiperda (Noctuidae ... The larval period of 6-instar larvae was longer than that of 5-instar larvae.
Larval swimming crabs are released and undergo development from April to August off the western coast ... Zoea molted to megalopa at all temperatures and developed to the first crab stage at 24℃, 26℃, and 28 ... Our research helps understand the changes in survival rate and growth of larval swimming crabs resulting
Development rate of C gigas to a parcicular larval stage (D-shape) after 24 hours exposure to 0.05ppm ... rates of control (free Nano particles) C. gigas to a particular larval stage (D-shape) was 78%. ... However, development rates of C. gigas after 24 hours exposure to 20ppm of In, Sb, Sn, Zn, Ag-TiO2 were
As a result, mortality and malformation rates were increased, malformation patterns were changed and larval ... Depending on the species, the difference between the embryo size and the embryonic development time was ... Therefore, the Pb seems likely to have a teratogenic effect in all four species’ embryonic development
Oak sawdust tended to be the same as berry sawdust, but the larval development period was approximately ... The developmental period by larval stage differed greatly between berries and oak sawdust. ... was faster than with oak sawdust and a fermentation period of 50-70 days was the most suitable for larval
In the P-SMS diet, the larval rearing period was shorter at 16.2 days, while the rate of larval weight ... Effects of the diets on the development of P. brevitarsis seulensis and contents of minor nutrient components
Temperature-dependent life history models (developmental rate, development completion, survival rate, ... In the results, the phenology modelling operated with the models based on the data of shorter larval
When the overwintered larvae wee incubated at , post-diapause larval development periods of body weight ... development periods. ... from 39 locations during the years of 1965-1988, and some ecological significance of the overwintering larval
fourth-instar larvae of C. riparius have a sensitive to ecdysteroidal molting hormones for the life cycle developments ... The emerged female from larval phase ex 한국환경생물학회 환경생물 Kwak Inn-Sil, Lee Wonchoel ... , accordingly the emerged adult affected corresponding to larval phase's environments.
The leaf consumption rate increased greatly with larval development. ... This study was conducted to determine the relationship of larval density of tobacco cutworm, Spodoptera ... In the field investigation, fruit damage was highly correlated with larval densities and reached 3.5%
development and survival. ... Addition of yeast and cholesterol in diet increased the larval survivorship. ... A higher amount of the main nutrients in the diet increased the larval survivorship.
Development of the fourth-instar larvae of Chironomus riparius has a sensitive to ecdysteroid hormones ... polypeptide expression reflecting early-ecdysterone inducible gene has conducted the emerged female from larval