• The Korean Journal of Ecology
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• v.18 no.4
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• pp.463-470
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• 1995

Anoplocnemis dallasi Kiritchencho is a sap-sucker which feeds on tips of amorpha fruticosa Linne in Korea. A. Dallasi had one generation a year and overwintered as the young adult stage. Most overwintered survivors emerged in early-mid May to late May. Known host plants were reviewed, and new host records were added. Females mainly laid eggs in linear single chain masses on leaves of Miscanthus sinensis var. purpurascens. Nymphs (except the non-feeding first instars) fed on young shoots. First instar nymphs clustered on leaves or shoots where they hatched, and, if disturbed, reformed aggregations soon. The second to the fifth instar nymphs migrate to the upper part of the shoot and congreagate on a partly expanded leaf. New adults firstly appeared in late August, remained on A.fruticosa, host plant, and fed on until mid October. The duration and survivorship curve, in laboratory rearing, of the egg and each nymphal stadium was determined.

• The Korean Journal of Zoology
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• v.18 no.4
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• pp.197-220
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• 1975

Applying the factor analysis to the values standardized from the measured values for instars in seven body parts of A. dallasi, it is summarized as follows: 1. All seven aspects are found to have the four growth factors. 2. The first factor is acceptable as a general factor and a growth promoting factor, whereas the rest three factors are indicated as a group factor in most cases. 3. The seven aspects are classifiable into three groups- the first group of the body length, the middle leg and the hind leg, the second group of the forg leg, and the third group of the width of pronotum, the antenna, the rostrum. But the second group is similar type to the first group in the influence of the factors. 4. The communality of the middle leg is the highest, while that of the body length is the lowest. The uniqueness of the middle leg is the lowest, while that of the body length is the highest. 5. The contribution of the growth factor tends to inrease according to the development of the instars. 6. The correlation for a young instar larva has a tendency to become low, but that for an advanced instar larva tends to become high.

• The Korean Journal of Zoology
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• v.14 no.3
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• pp.139-158
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• 1971

This study was initiated to observe the growth of the lengths of the body, the antenna, the rostrum, the fore leg, the middle leg, the hind leg and the width of pronotum in the postembryonic development of Anoplocnemis dallasi. The specimens measured were fifty in the first instar larva and seventy for each instar from the second instar larva to adult stage. The authors applied the growth formula and the relative growth formula to analyse the changing pattern of the growth of each part. In this paper, having applied the formulae the y=a+bt+$ct^2$ for the absolute growth and $y=bx^{\alpha}$ for the relative growth, we obtained the following results: $\circled1$ The growth quantity: The rostrum shows the slowest, straight increase, but the other shows the curving increase. The body, the hind leg, the middle leg, the fore leg, the antenna, the width of pronotum and the rostrum are systematically slow. $\circled2$ The ratio of the growth quantity: The increase rate of the rostrum shows the straight, while the other shows the curving patterns. The largest value is the increase rate of the width of pronotum (8.816 times) and the smallest one is the rostrum (3.054 times). $\circled3$ The growth ratio for each instar: The maximal ratio of the growth quantity is in the young instar larva, but the minimal one is in an advanced instar larva. $\circled4$ The growth rate: The antenna shows a decrease pattern, while the other an increase pattern. $\circled5$ The specific growth rate: The rates of the antenna, the for leg, the rostrum, the hind leg and the middle leg show a decrease pattern. In the width of pronotum and the body, they increase in the terms of the young instar larva and they increase later. The antenna shows the most rapid decrease, and the fore leg, the rostrum, the hind and the middle leg are slow in order. $\circled6$ The "$\alpha$" of the width of pronotum shows the strongest positive allometry, but the rostrum shows the weakest negative allometry to all parts. $\circled7$ The coefficient of the relative growth of each part shows a parallel fashion in the relative growth to body length, to width of pronotum, to antenna, to rostrum, to fore leg, to middle leg and to hind leg. $\circled8$ If the coefficient of the relative growth, the growth ratio ($\alpha$) increase, the initial growth index (b) is disposed to decrease and vice versa. $\circled9$ The growth center is in the terms of the young instar larva in case of the negative allometry, but it is in the terms of an advanced instar larva in case of the positive allometry.

• The Korean Journal of Zoology
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• v.14 no.3
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• pp.159-170
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• 1971

장수허리노린재의 後胚子 成長基에 있어서 體長, 前胸背板의 幅, 觸角, 口吻, 前脚, 中脚, 後脚을 대상으로 第1齡 幼蟲부터 成蟲에 이르기까지의 길이를 測定하여 Harman 의 因子分析法에 의하여 成長因子를 分析한 結果 다음과 같은 結論을 얻었다. \circled1 3個의 成長因子를 區別할 수 있었으며 이들 因子의 各 齡에 따른 作用 程道는 相異하였다. \circled2 第1因子는 一般因子로서 成長促進因子였고, 第2因子와 第3因子는 群因子였다. \circled3 第2因子와 第3因子는 前, 中, 後脚에 대해서 成長促進的으로 作用하고, 體長과 口吻에 대해서 成長阻害的으로 作用하였다. \circled4 3種의 因子를 綜合해 보면, 成長影響을 달리는 前, 中, 後脚의 第1群과 體長, 口吻의 第2群 및 觸角, 前胸背板의 幅의 第3群으로 區別할 수 있었으나 第2群은 第3群에 近似하였다. \circled5 共通度는 항상 前, 中, 後脚에서는 크고 體長, 前胸背板의 幅, 口吻, 觸角에서는 작았다.