Gryllus Bimaculatus vs Acheta Domesticus: Which Cricket Should You Farm?
No guide for cricket farmers choosing between these two species exists. Most farming content treats Acheta domesticus as the obvious default without making the comparison. That's a disservice to farmers for whom Gryllus bimaculatus might actually be the better choice.
This guide makes the comparison evidence-based. Real FCR data, growth rate comparisons, disease resistance figures, and market demand differences, so you can make the decision based on your specific situation rather than defaulting to the familiar option.
Start with this: Gryllus bimaculatus shows 40% higher resistance to AdDNV compared to Acheta domesticus in controlled studies. For any farm that has dealt with AdDNV or is worried about it, that number matters enormously.
TL;DR
- Start with this: Gryllus bimaculatus shows 40% higher resistance to AdDNV compared to Acheta domesticus in controlled studies.
- Acheta domesticus reaches harvest weight in 6-8 weeks at 85-90°F.
- Gryllus bimaculatus takes 8-11 weeks at 88-93°F.
- That's 2-3 additional weeks per production cycle.
- Commercial operations typically achieve 1.7-2.1 FCR for Acheta domesticus vs 2.0-2.5 for Gryllus bimaculatus under comparable conditions.
- The FCR difference means feed costs approximately 20-30% more per pound of Gryllus bimaculatus compared to Acheta domesticus.
- In a market where you're commanding a 15-25% price premium, it's more manageable.
- Gryllus bimaculatus takes 8-11 weeks at 88-93°F.
- That's 2-3 additional weeks per production cycle.
Growth Rate and Cycle Time
Acheta domesticus reaches harvest weight in 6-8 weeks at 85-90°F.
- Gryllus bimaculatus takes 8-11 weeks at 88-93°F.
- That's 2-3 additional weeks per production cycle.
TL;DR Verdict
| Factor | Gryllus bimaculatus | Acheta domesticus |
|---|---|---|
| AdDNV resistance | High (40% more resistant) | Susceptible |
| FCR (typical commercial) | 2.0-2.5 | 1.7-2.1 |
| Growth rate to harvest | 8-11 weeks | 6-8 weeks |
| Optimal temperature | 88-95°F | 85-90°F |
| Adult body size | Larger | Moderate |
| DOA rate in shipping | 25-35% lower | Reference |
| US market demand | Growing (specialty) | Dominant |
| EU regulatory status | Approved (Novel Foods) | Approved |
| Flour quality | Good (higher fat) | Standard reference |
| Price per unit (feeder) | 10-25% premium possible | Market baseline |
Acheta domesticus wins on FCR and cycle time. Gryllus bimaculatus wins on disease resistance, transit hardiness, and specific market positioning.
FCR and Growth Rate: The Production Numbers
Feed Conversion Ratio
Acheta domesticus holds a meaningful FCR advantage. Commercial operations typically achieve 1.7-2.1 FCR for Acheta domesticus vs 2.0-2.5 for Gryllus bimaculatus under comparable conditions. Best-in-class Acheta domesticus operations achieve 1.5; equivalent Gryllus bimaculatus operations rarely go below 2.0.
Why is Gryllus bimaculatus's FCR higher? Two factors: a longer grow-out period means more total feed per unit of output, and the higher temperature requirement increases metabolic energy expenditure that doesn't directly translate to body mass.
The FCR difference means feed costs approximately 20-30% more per pound of Gryllus bimaculatus compared to Acheta domesticus. In a cost-competitive market, that matters. In a market where you're commanding a 15-25% price premium, it's more manageable.
Growth Rate and Cycle Time
Acheta domesticus reaches harvest weight in 6-8 weeks at 85-90°F. Gryllus bimaculatus takes 8-11 weeks at 88-93°F. That's 2-3 additional weeks per production cycle.
At 6 Acheta domesticus cycles per year vs 5 Gryllus bimaculatus cycles (approximate at optimal temperatures), you're getting fewer revenue cycles from the same infrastructure. For Gryllus bimaculatus to match Acheta domesticus revenue per square foot, you need either higher per-unit pricing or more bins.
Disease Resistance: The Biggest Operational Differentiator
AdDNV has caused catastrophic losses at multiple commercial Acheta domesticus operations. The virus spreads to 100% of a colony within 5-7 days without isolation, and there's no treatment, only biosecurity prevention and early detection.
Gryllus bimaculatus's 40% higher resistance to AdDNV is a notable operational risk reduction. That doesn't mean black crickets are immune, it means an exposure event that would wipe out an Acheta domesticus colony might not destroy a Gryllus bimaculatus colony, or might progress more slowly.
For farms that have already dealt with AdDNV, the choice to switch to or add Gryllus bimaculatus is often not primarily a market question, it's a business continuity decision.
Market Demand: Where Each Species Fits
Acheta Domesticus Market
Dominant in US feeder cricket production (80%+ of market). Dominant in US cricket flour production. Established supply chains, familiar to buyers, and the species that food brands have built formulations around.
The market for Acheta domesticus is larger in absolute terms. This is both an advantage (easy to find buyers) and a challenge (more competition from established farms).
Gryllus Bimaculatus Market
Growing segment in reptile feeder markets. Premium positioning possible in specialty reptile retail channels. EU regulatory approval creates a differentiation opportunity for food-grade production.
The feeder cricket market for Gryllus bimaculatus is smaller but less competitive. Premium pricing (10-25% above equivalent Acheta domesticus) is achievable with buyers who understand and value the transit hardiness and fat content advantages.
For flour production, Gryllus bimaculatus is nutritionally competitive. The higher fat content is a slight disadvantage for protein-focused applications but may be an advantage for bakery applications where fat content improves texture.
Which Is Easier for Beginners?
Acheta domesticus has the edge here. The learning curve is supported by more documentation, more experienced farmers to learn from, more feed products optimized for this species, and more buyers who know what they're buying.
Gryllus bimaculatus is manageable for beginners but offers less practical documentation and requires more precise temperature management (the higher temperature requirement is less forgiving of equipment failures). The AdDNV resistance advantage is notable, but the combination of higher temperature requirements and longer grow-out is more demanding for someone learning the fundamentals of cricket production simultaneously.
The recommended path for most beginners: start with Acheta domesticus, achieve operational stability, then consider adding Gryllus bimaculatus as a second species line if the market positioning or disease resistance arguments apply to your specific situation.
Does Gryllus Bimaculatus Produce Better Cricket Flour Than Acheta Domesticus?
Not better in the sense of higher protein content, both species produce flour at 60-70% protein on a dry-weight basis. Gryllus bimaculatus flour has a slightly higher fat content (2-4% higher), which:
- Is a disadvantage for pure protein powder applications
- Is neutral for most flour applications (baking, protein bars)
- May be an advantage for specific applications where fat content improves palatability or texture
The EU Novel Food approval for Gryllus bimaculatus specifically as an authorized food ingredient makes it the better species for export-oriented food production. US domestic food brands have more flexibility to use either species.
FAQ
Which cricket species is easier to farm for beginners?
Acheta domesticus is generally easier for beginners. More practical documentation exists, feed formulations are optimized for this species, and the buyer community is more familiar with it. Gryllus bimaculatus requires more precise temperature management and has fewer resources for the learning farmer. Start with Acheta domesticus and add black crickets once you have solid operational fundamentals. The cricket farm management guide covers operations that run both species.
Does Gryllus bimaculatus produce better cricket flour than Acheta domesticus?
Comparable, with nuances. Both produce flour at 60-70% protein on a dry-weight basis. Gryllus bimaculatus has a slightly higher fat content, which can be an advantage or disadvantage depending on the application. For protein supplement applications, Acheta domesticus's lower fat content is preferable. For bakery and food ingredient applications, the difference is often minimal. EU food market regulatory positioning favors Gryllus bimaculatus. See the Acheta domesticus lifecycle guide for comparison of species-specific production metrics.
Is there a higher demand for black crickets or house crickets in the feeder market?
Acheta domesticus has substantially higher overall market demand, accounting for 80%+ of US feeder cricket production. However, specialty reptile retailers and online sellers increasingly carry Gryllus bimaculatus to serve reptile keepers who specifically request black crickets. The demand for black crickets is smaller but growing, with premium pricing opportunity in specialty channels. For farms that want lower competition and premium positioning, Gryllus bimaculatus in specialty feeder channels is an attractive niche.
How does CricketOps help track the metrics described in this article?
CricketOps provides bin-level logging for the variables that drive production outcomes -- feed inputs, environmental conditions, mortality events, and harvest results. Rather than maintaining these records in separate spreadsheets, you can view performance trends across bins and over time to identify which operational variables correlate with better outcomes in your specific facility.
Where can I find industry benchmarks to compare my operation's performance?
The North American Coalition for Insect Agriculture (NACIA) publishes periodic industry reports with production benchmarks. University extension programs in agricultural states, including the University of Georgia and University of Florida IFAS, occasionally publish insect farming production data. Industry conferences hosted by the Entomological Society of America and the Insects to Feed the World symposium series are additional sources of peer benchmarking data.
What is the biggest operational mistake cricket farmers make in their first year?
Expanding bin count before achieving consistent FCR and mortality targets in existing bins is the most common and costly first-year mistake. At 5-10 bins, problems are manageable. At 30-50 bins, the same proportional problems represent much larger financial losses. Most experienced cricket farmers recommend holding expansion until you have three consecutive production cycles hitting your FCR and mortality targets.
Sources
- Food and Agriculture Organization of the United Nations (FAO) -- Edible Insects: Future Prospects for Food and Feed Security
- North American Coalition for Insect Agriculture (NACIA)
- Entomological Society of America
- University of Georgia Cooperative Extension
- Journal of Insects as Food and Feed (Wageningen Academic Publishers)
The Bottom Line
This isn't a competition with a clear winner. It's a market fit question.
Farm Acheta domesticus if: you want established market access, the best FCR, the fastest production cycles, and the largest buyer pool.
Farm Gryllus bimaculatus if: you're concerned about AdDNV risk, you're selling online where DOA rates affect your reputation, you're targeting EU food markets, or you want premium positioning in specialty reptile feeder channels.
Farm both if: you want diversified market access and risk reduction, and you have the facility and management infrastructure to handle two species simultaneously.
Get Started with CricketOps
The practices covered in this article are easier to apply consistently when they are supported by organized production data. CricketOps gives cricket farmers the tools to track what matters -- by bin, by batch, and over time. Start your next production cycle in CricketOps and see how organized data changes the way you manage your operation.