psylla

简明释义

英[ˈsɪlə]美[ˈsɪlə]

n. 木虱

英英释义

单词用法

同义词

反义词

例句

1.Study showed that insect entered in the bags is the main reason, especially Pear psylla and Pear phylloxera.

研究发现，果面黑点的形成有多种原因，最主要的是梨黄粉蚜和梨木虱等害虫入袋为害造成的。

2.The results showed that high temperature was the major meteorological factor that could obstacle the development of Psylla Chinesefrom 2000 to 2002 and in 2010.

结果表明，在2000-2002年和2010年，高温是抑制梨木虱生长发育的最主要气象因子；

3.Primary vectors for transmitting phytoplasma are insects feeding on the sap of phloem, such as leafhopper, and psylla.

植原体病原主要依靠吸食植物韧皮部的昆虫介体传播，如叶蝉、木虱等。

4.These results provide valuable information to develop an integrated pest management program for the common pistachio psylla.

这些结果为建立阿月浑子树木虱的综合防治计划提供了宝贵的信息。

5.Any of various jumping plant lice of the family Psyllidae, especially of the genus Psylla, which includes several species that infest fruit trees.

木虱一种木虱科植物跳虱，尤指属于跳虱属的木虱，有不少品种是侵害果树的。

6.The results showed that high temperature was the major meteorological factor that could obstacle the development of Psylla Chinesefrom 2000 to 2002 and in 2010.

结果表明，在2000-2002年和2010年，高温是抑制梨木虱生长发育的最主要气象因子；

7.The presence of psylla on the plants indicated a need for immediate action.

植物上出现psylla的迹象表明需要立即采取行动。

8.The garden was infested with psylla, causing the leaves to curl and yellow.

花园里感染了psylla，导致叶子卷曲和变黄。

9.Monitoring for psylla is crucial during the growing season.

在生长季节监测psylla是至关重要的。

10.Research shows that psylla can transmit various plant diseases.

研究表明，psylla可以传播多种植物疾病。

11.Farmers often use insecticides to control psylla populations in their crops.

农民们常常使用杀虫剂来控制农作物中psylla的数量。

作文

In the realm of entomology, the study of insects, one fascinating group that often captures the attention of researchers and enthusiasts alike is the psyllids. These small, jumping insects belong to the family Psyllidae, and they are commonly known as 'jumping plant lice.' The term psylla refers specifically to this group of insects that can be found on a variety of plants across the globe. Understanding their biology, behavior, and impact on ecosystems is essential for both ecological balance and agricultural practices.Psyllids are primarily known for their distinctive jumping ability, which they utilize as a means of escaping predators. Their small size, typically ranging from 2 to 5 millimeters in length, allows them to blend seamlessly into their surroundings. This camouflage is crucial for their survival, as they are preyed upon by various birds and other insectivorous creatures. In addition to their jumping prowess, psylla are also known for their unique feeding habits. They possess specialized mouthparts that allow them to pierce plant tissues and extract sap. This feeding behavior can have significant consequences for the host plants, leading to stunted growth, leaf curling, and even plant death in severe cases.One of the most notable aspects of psylla is their role as vectors for plant diseases. Some species are known to transmit pathogens that cause devastating diseases in crops, such as the infamous Huanglongbing disease in citrus plants. This has made them a significant concern for farmers and agricultural scientists, prompting extensive research into their life cycles and interactions with host plants. Understanding the relationship between psylla and the diseases they carry is crucial for developing effective pest management strategies.Interestingly, psylla also play a role in the ecosystem beyond just being pests. They serve as a food source for many predatory insects, birds, and other wildlife, thus contributing to the food web. Additionally, their feeding can stimulate plant growth in some cases, as the stress induced by their feeding may lead to increased production of secondary metabolites in plants, which can enhance their resilience against other pests.Research into psylla has revealed much about their complex life cycles. Most species undergo a simple metamorphosis, consisting of egg, nymph, and adult stages. The nymphs often resemble miniature adults but lack fully developed wings. During this stage, they feed extensively on plant sap, growing and molting several times before reaching maturity. The adult psylla are characterized by their winged form and are capable of dispersing to new plants, thus continuing the cycle.In conclusion, the study of psylla is vital for understanding both ecological dynamics and agricultural practices. While they can pose challenges for farmers due to their potential for spreading plant diseases, they also contribute to the broader ecosystem. As research continues to evolve, it is essential to strike a balance between managing psylla populations and recognizing their ecological roles. By fostering an understanding of these intriguing insects, we can better appreciate the complexity of our natural world and the interconnectedness of all living organisms.

在昆虫学的领域中，研究昆虫的一个迷人群体常常吸引研究人员和爱好者的注意，那就是叶蝉。这些小型跳跃昆虫属于叶蝉科（Psyllidae），通常被称为“跳跃植物虱”。术语psylla特指这一组可以在全球多种植物上找到的昆虫。理解它们的生物学、行为及其对生态系统的影响，对于生态平衡和农业实践都是至关重要的。叶蝉主要以其独特的跳跃能力而闻名，它们利用这种能力逃避捕食者。它们的体型较小，通常长度在2到5毫米之间，使它们能够与周围环境完美融合。这种伪装对于它们的生存至关重要，因为它们是许多鸟类和其他捕食性生物的猎物。除了跳跃的本领外，psylla还以其独特的取食习惯而著称。它们拥有专门的口器，可以刺穿植物组织并提取汁液。这种取食行为对宿主植物可能产生重大影响，导致生长受阻、叶片卷曲，甚至在严重情况下导致植物死亡。psylla最引人注目的方面之一是它们作为植物病害传播媒介的角色。一些物种被知晓会传播病原体，导致作物出现毁灭性疾病，例如著名的柑橘黄龙病。这使得它们成为农民和农业科学家关注的重要问题，促使对它们的生命周期和与宿主植物的相互作用进行广泛研究。理解psylla与它们所携带的疾病之间的关系，对于制定有效的害虫管理策略至关重要。有趣的是，psylla在生态系统中的角色不仅仅是作为害虫。它们为许多捕食性昆虫、鸟类和其他野生动物提供了食物来源，从而促进了食物链的发展。此外，它们的取食行为在某些情况下可以刺激植物生长，因为它们的取食所造成的压力可能会导致植物中次生代谢物的增加，从而增强植物抵抗其他害虫的能力。对psylla的研究揭示了它们复杂的生命周期。大多数物种经历简单的变态发育，包括卵、若虫和成虫阶段。若虫往往看起来像迷你成虫，但缺乏完全发育的翅膀。在这个阶段，它们会大量取食植物汁液，经过几次蜕皮后成长为成熟个体。成虫psylla的特点是有翅形态，能够扩散到新的植物，从而继续生命周期。总之，研究psylla对于理解生态动态和农业实践至关重要。尽管由于它们传播植物疾病的潜在风险，它们可能给农民带来挑战，但它们也为更广泛的生态系统做出了贡献。随着研究的不断发展，必须在管理psylla种群和认识其生态角色之间取得平衡。通过加深对这些迷人昆虫的理解，我们可以更好地欣赏自然世界的复杂性以及所有生物体之间的相互联系。