Chilled Cantharides Blister Beetles

Chilled whole blister beetles (Cantharis vesicatoria), source of cantharidin used in pharmaceuticals for wart treatments. Classified under HTS 0510.00.40.20 as cantharides, provisionally preserved by chilling for extraction. Historically used in traditional blistering agents.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3003.90.01Lower: Free vs 35%

If extracted into pure cantharidin powder

Isolated active compounds become medicaments under Chapter 30.

1211.90Lower: 16% vs 35%

If plants or insects used solely for dyeing or tanning

Non-pharma insect use shifts to plants and parts heading.

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Import Tips & Compliance

Include entomological identification to confirm species for APHIS clearance

Store and ship under strict temperature control to preserve cantharidin content

Avoid declaring as 'specimens' which could route to Chapter 98 unnecessarily

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