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Table of Contents
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Thrips
Description
This page does not describe a specific Trichocereus clone, but rather addresses the common pest “Thrips” and the diagnostic confusion between thrips damage and systemic fungal infections (such as Fusarium) on Trichocereus specimens.
History & Origin
Not applicable. This entry serves as a diagnostic and treatment guide compiled from community discussions regarding pest management and fungal look-alikes.
Cultivation Notes
To prevent conditions that mimic or invite these issues:
- Avoid “soggy feet” (overwatering or poorly draining soil), which can trigger root-borne fungal infections that spread through the core vasculature.
- Quarantine affected plants if a transmissible pest or pathogen is suspected.
- Do not consume plants treated with systemic fungicides or insecticides.
Community Discussion & Citations
Analysis of the discussion regarding thrips identification, treatment, and fungal misdiagnoses.
| Date | Speaker | Confidence Score | Key Insight/Quote |
|---|---|---|---|
| 2026-03-09 (approx) | Rory Parkyn | 7 | “Scrub plant down with 50/50 iso+water+toothbrush. Rinse off. Do it in the shade… For preventative, mix a spoonful of diatomaceous earth with some water and a drop of dish soap in a spray bottle.” |
| 2026-03-09 (approx) | Benjamin Schwarzschild | 7 | “Spinosad is the most effective treatment in my experience and it should be cat safe as long as the cat doesn't ingest it while the leaves are still wet from spraying.” |
| 2026-03-09 (approx) | Benjamin Schwarzchild | 7 | “Looks like thrips to me bud. Decently severe infestation, but you caught it early enough to fix it… The discolored growth will likely stay tinted tan, but the new growth will push out perfectly green and healthy.” |
| 2026-03-09 (approx) | Gee Bee | 10 | “omg these thrips comments. Look it's a fungal infection, probably fusarium and coming from the roots. Looks like it is in the core vasculature. Propiconazole” |
| 2026-03-09 (approx) | Joshua Tyquiengco | 8 | “Definitely fungal. Possibly soggy feet. It does look like crust from thrips at very first sight but the texture shows hyphae type growth” |
| 2026-06-08 (approx) | Gee Bee | 10 | “pic’d is a thrip, courtesy pic” |
Credibility Notes
Gee Bee is recognized as a 10/10 expert override whose diagnoses corrected multiple community misidentifications (both distinguishing fungal infections from thrips, and confirming a thrips specimen that others mistook for a springtail). Joshua Tyquiengco provided detailed botanical observations regarding hyphae-type growth textures to support the fungal diagnosis. Rory Parkyn and Benjamin Schwarzschild provided highly detailed, consistent, and actionable treatment recipes that are widely accepted by the community.