Black Spot Disease
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关于这种疾病
Black spots or patches appearing on the surface of adult beetles or pupae, potentially caused by bacterial or fungal infection following physical injury to the exoskeleton. When observed during the pupal stage, there is a risk of associated eclosion failure.
主要症状
- Black spots or patches appear on the elytra, pronotum, or head
- Part of the pupa turns black with suspected tissue necrosis
- The affected area appears sunken or is clearly different in color from surrounding cuticle
- In adults, a lymph-like secretion may be observed near the affected area
主要原因
- Damage to the exoskeleton from fighting, falls, or abrasion inside the enclosure
- Bacterial or fungal infection entering through wounds
- Physical damage sustained before the exoskeleton hardened immediately after eclosion
- Unsanitary enclosure conditions due to old substrate or accumulation of waste
预防（饲养环境与日常护理）
House beetles individually rather than together to prevent fighting. Provide climbing aids such as bark and branches to minimize falls and damage to the exoskeleton. Regularly clean the enclosure and promptly remove decayed substrate and waste.
相关品种图鉴
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建议几天内咨询专卖店专卖店能做哪些处理？
Consulting an insect specialty shop or breeder provides guidance on assessing the progression of black spots and improving husbandry. For affected pupae, specialist knowledge regarding the need to transfer to an artificial pupal chamber is particularly valuable.
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