Mealybugs are tiny, soft-bodied insects that look like little white cotton clusters on succulents. They suck sap from the plant, causing stunted growth, yellowing leaves, and sticky residue (honeydew) that can lead to mold.

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粉蚧是微小、软体的昆虫，看起来像多肉上的一团团白色棉絮。它们吸食植物汁液，导致生长受阻、叶片发黄，并留下黏稠的分泌物（蜜露），容易引发霉菌。

Ants protect mealybugs for sweet honeydew, helping them spread while your plant weakens.

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蚂蚁为了甜蜜的蜜露保护粉蚧，帮助它们扩散，同时让你的植物逐渐虚弱。

​Scale insects are small, sap‑sucking pests that attach themselves firmly to succulent stems and leaves. They look like hard, brown or black bumps and often cause yellowing, weakened growth, and sticky residue that can lead to mold.

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介壳虫是小型吸汁害虫，会紧紧附着在多肉的茎和叶上。它们看起来像坚硬的棕色或黑色凸起，常导致叶片发黄、生长虚弱，并留下黏稠分泌物，容易引发霉菌。

Thrips are tiny, slender insects (about 1–2 mm long) that feed on plant sap, leaving silvery streaks or bronze patches on succulent leaves. They reproduce quickly and can weaken or even kill plants if left untreated.

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​蓟马是微小而细长的昆虫（约 1–2 毫米），以植物汁液为食，会在多肉叶片上留下银色条纹或铜色斑块。它们繁殖迅速，如果不加控制，会削弱甚至杀死植物。

Fungus gnats are small flying insects whose larvae live in the soil and chew on succulent roots. This hidden damage weakens the plant, leading to yellowing leaves, stunted growth, and sometimes plant death if infestations are left unchecked. They thrive in damp soil, making overwatering a major risk factor.

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真菌蚊是小型飞虫，它们的幼虫生活在土壤中，会啃食多肉的根部。这种隐蔽的破坏会削弱植株，导致叶片发黄、生长受阻，甚至在严重情况下导致植株死亡。它们喜欢潮湿的土壤，因此过度浇水是主要的风险因素。

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Agave weevil is a destructive snout beetle that burrows deep into agave plants, laying eggs inside the leaf bases. The larvae feed within, causing internal rot that weakens the plant’s structure, eventually leading to collapse and death if not controlled.

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龙舌兰象鼻虫是一种具有破坏性的象鼻甲虫，会深入钻入龙舌兰的叶基部产卵。幼虫在其中取食，使植株内部腐烂，削弱结构，最终导致植株倒伏甚至死亡，如果不加以控制。

Aloe mites are microscopic pests that invade aloe plants, causing abnormal growths called galls. These galls distort the leaves, making them swollen, bumpy, and unsightly. Over time, infestations weaken the plant’s health and appearance, and because the mites are hidden within the tissue, they are difficult to eliminate once established.

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芦荟瘿螨是微观害虫，会侵入芦荟植株并引发异常的瘿瘤。这些瘿瘤会使叶片肿胀、凸起、变形，影响美观。随着时间推移，瘿螨的侵害会削弱植株的健康和外观，而且由于它们藏在组织内部，一旦定植就很难彻底清除。

Agave mites are microscopic pests that hide deep in the bases of agave leaves. Their feeding leaves greasy streaks and subtle tissue damage that weakens the plant over time. Because they are so small and concealed, infestations often go unnoticed until the agave shows signs of decline, making them difficult to detect and control once established.​

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​龙舌兰瘿螨是微观害虫，藏在龙舌兰叶片基部深处。它们的取食会留下油腻的条纹和细微的组织损伤，随着时间推移削弱植株。由于体型极小且隐藏，一旦定植往往难以及时发现，等到龙舌兰出现衰弱迹象时，已经很难彻底控制。

Spider mites are tiny arachnids that infest succulents, feeding on plant sap and leaving fine webbing across leaves and stems. Their feeding causes speckled yellow spots, leaf discoloration, and eventual leaf drop. Because they reproduce rapidly in warm, dry conditions, infestations can quickly overwhelm plants, weakening or even killing them if not treated promptly.

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红蜘蛛是微小的螨类，会侵害多肉植物，吸食汁液并在叶片和茎上留下细密的网丝。它们的取食会造成叶片出现黄色斑点、变色，最终导致叶片脱落。由于它们在温暖干燥的环境中繁殖迅速，虫害会很快蔓延，削弱甚至杀死植株，如果不及时处理。

Whiteflies are tiny, winged insects that cluster on the undersides of succulent leaves. They feed on plant sap, leaving behind sticky honeydew that attracts ants and promotes mold growth. Heavy infestations weaken plants, causing yellowing, leaf drop, and overall decline, especially in warm, humid conditions where they thrive.

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白粉虱是微小的有翅昆虫，常聚集在多肉叶片的背面。它们吸食植物汁液，留下黏稠的蜜露，会吸引蚂蚁并促进霉菌滋生。严重的虫害会削弱植株，导致叶片发黄、脱落，整体衰弱，尤其在温暖潮湿的环境中更易繁殖。