instars
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abbr.
information storage and retrieval system 信息存储与检索系统;
英英释义
instar[ 'instɑ: ]
n.an insect or other arthropod between molts
权威例句
Intraspecific variability in number of larval instars in insectsAchieving high sexual size dimorphism in insects: females add instars
Dispersal and survival of early instars of European corn borer (Lepidoptera: Pyralidae) in field corn.
Induction of volatile emissions in maize by different larval instars of Spodoptera littoralis.
Dyar'S Rule as Related to the Number of Instars of the Corn Ear Worm, Heliothis Obsoleta (Fab.), Collected in the Field
Comparative susceptibility of larval instars and pupae of the western corn rootworm to infection by three entomopathogenic nematodes
Differential Patterns of Insecticide Resistance in Eggs and First Instars of Triatoma infestans (Hemiptera: Reduviidae) from Argenti...
Parasitic Behavior of Exaerete smaragdina with Descriptions of Its Mature Oocyte and Larval Instars (Hymenoptera: Apidae: Euglossini)
On-Plant Movement and Feeding of Western Bean Cutworm (Lepidoptera: Noctuidae) Early Instars on Corn | Environmental Entomology | Ox...
Pathogenicity Enhancement of Metarhizium anisopliae and Beauveria bassiana to First Instars of Diaprepes abbreviatus (Coleoptera: Cu...
1. Larvae are gregarious, having 6 instars.
幼虫6龄,有群集性。
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2. In experimental populations, mortalities of the 5th instar larvae and pupae were higher than those of instars at initial stages.
实验种群中初期死亡率较低,5龄幼虫和蛹的死亡率较高。
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3. The results showed that the specific activity of GSTs was lowest in the egg stage and highest in the 5th-6th instars of the cotton bollworm.
谷胱甘肽S-转移酶活性随棉铃虫发育期的进程而变化,在卵期最低,5龄、6龄幼虫和成虫期最高。
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4. The larva has 5 instars.
幼虫有五龄。
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5. The enzyme activity in plasma or haemocytes was different at different stages and instars, but the change trend of the enzyme activity in plasma and haemocytes was consistent.
不同虫态及虫龄的血清和血细胞中酚氧化酶活力有很大的不同,血清和血细胞中酚氧化酶活力变化规律一致。
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6. The results of common silkworm rearing with pellet artificial diet in 1~2 instars and mulberry leaf in 3~5 instars were studied in this paper.
通过1~2龄人工饲料育,3~5龄桑叶育,探讨了适合普通蚕品种的颗粒人工饲料的养蚕效果。
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7. By measuring the areas of the peculiar cavities and the width of the head capsules of the apple leaf miner larvae, 5 instars could be identified.
通过对金纹细蛾幼虫脱皮和头壳宽度的测量,测得幼虫龄期为5龄。
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8. From the life table, we can observe that the survival rate at 1-3 instars plays an important factor in population tendency index of P. striolata.
通过种群生命表方法研究结果可知,黄曲条跳甲1-3龄幼虫期的存活率高低是影响种群趋势指数的主要因素;
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9. The number of larval instars was influenced by flour moisture content, ranging from 3 to 5 at 19.35% moisture but from 3 to 8 at 10.98% moisture.
谷蠹幼虫龄数也受到玉米面水分含量的影响,玉米面水分19.35%条件下幼虫龄数在3~5间变化, 10.98%条件下幼虫龄数在3~8间变化;
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10. In order to study the effect using the larva at different instars of Harmonia axyridis to control aphids on colorful capsicum of the organic vegetable.
为了研究异色瓢虫幼虫不同龄期防治有机蔬菜彩椒蚜虫效果,我站在有机蔬菜彩椒上进行了试验。
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11. The rearing results of three cross combination of euryphagous silkworms were studied in detail between pellet artificial diet raising for young silkworm and mulberry raising for all instars.
本试验探讨了三个广食性杂交组合小蚕颗粒人工饲料育与全龄桑叶育的饲养效果。
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12. Development thresholds and accumulated temperatures vary owing to different instars.
发育起点温度及有效积温因不同龄期均有差异。
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13. The larvae had five instars, and exuviated at night, pupated at 5rd instar old larvae, pupation time need 2-4 days.
幼虫共有5龄,以夜晚蜕皮为主,5龄幼虫老熟后即觅地化蛹,化蛹持续时间2-4天。
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14. Four nymph instars have been observed. The adult and nymph feed on the tender branches and buds or leaves for almost a year.
若虫共4龄,以若、成虫刺吸杉木嫩枝、芽、叶,基本全年均可为害。
dict.cnki.net
15. The larva has 8 instars, and one larva feeds on about 60 needles.
幼虫共8龄,每头幼虫取食针叶60根左右。
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16. This article gives rather detailed observations and morphologic descriptions to the eggs , larvae of each instar (four instars in total), pupae and female adults (not found the male adult).
本文对该虫的卵、各龄幼虫(共四龄)、蛹及雌成虫(尚未发现雄虫)等各虫期作了较为详细的观察研究和形态描述。
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17. However, the initiation time of post winter feeding was obviously different among these instars, larvae in 4th instar beginning feeding earliest.
但取食的开始时间在龄期之间具明显差异,以4龄个体最早取食。
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18. Differences between parental instars are the main reason for variation in parental factors.
在亲代自身因素的影响中,亲代虫龄差异是主要因素。
ent-bull.com.cn
19. Solifuges live for about a year and pass through 9 instars before maturity.
避日蛛的寿命大约有一年,9龄之前寿命终结。
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20. The larvae undergo 5 instars and most larvae can change their body color during the development.
幼虫5龄,多数幼虫在发育过程中会出现体色变化。
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21. The larvae undergo 5 instars and most larvae can change their body color during the development.
幼虫5龄,多数幼虫在发育过程中会出现体色变化。
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22. The results showed that C. plutellae could parasitize all the four instars of DBM larvae, but prefered 2nd and 3rd instars when the 2nd, 3rd and 4th instars of host larvae were exposed simutaniously to this parasite.
结果表明,该蜂能寄生小菜蛾各个龄期的幼虫,但当2-4龄幼虫同时存在时,偏爱寄生2、3龄幼虫,对2、3、4龄幼虫的选择系数分别为0.37、0.39、0.24。
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