Mold and Bacterial Contamination of Substrate

关于这种疾病

Proliferation of blue-green molds (such as Trichoderma spp.) or contaminating bacteria in beetle substrate, fungal blocks, or fungal-based rearing material. Can degrade the larval growth environment, leading to reduced feeding and delayed development.

主要症状

Blue, green, or black mold has developed on the surface of fungal blocks or substrate
Larval feeding marks (frass tunnels) have decreased significantly
The substrate or fungal block emits a foul or putrid odor
Larvae come to the walls or surface of the fungal block and refuse to burrow back in

主要原因

Contaminating fungi (such as Trichoderma spp.) have infiltrated the fungal block or fermented substrate
Excessive moisture has created conditions favorable to bacterial and mold proliferation
Excessively high temperatures have accelerated fungal degradation and promoted contamination
Delayed replacement of fungal blocks has allowed deterioration after larvae exhausted the substrate

预防（饲养环境与日常护理）

Store fungal blocks at an appropriate temperature (approximately 20–23°C) and avoid high heat. Replace fungal blocks promptly when larvae have consumed most of the substrate. Keep fermented substrate at the correct moisture level, refrigerate or seal it after opening, and use it promptly. Always inspect fungal blocks and substrate for signs of contamination before use.

就医建议

观察情况，若恶化请咨询专卖店

专卖店能做哪些处理？

For mold and contamination issues in substrate or fungal blocks, consulting an insect specialty shop or breeder is the best way to obtain practical advice. Specialists with expertise in fungal block brand selection, replacement timing, and storage temperature management can help ensure healthy larval development.

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