Receiving Live Discoid Roaches: A Step-by-Step Unboxing & Acclimation Guide

A box of live discoid roaches (Blaberus discoidalis) isn't fragile cargo, exactly — discoids are one of the hardiest feeders you can ship — but the difference between a clean arrival and a stressed, half-dead one comes down to a few things you do before the box shows up and in the first hour after. I've received plenty of these shipments. Here's the process that consistently works.

First, a correction you'll see repeated in a lot of care sheets: discoid roaches are not Panchlora nivea. That's the Cuban or green banana roach, a completely different (and a climbing, flying) species. Discoids are Blaberus discoidalis — tropical, non-climbing on smooth surfaces, non-flying. Getting the species right matters, because the climbing and containment advice that follows depends on it. For feeder-insect and invasive-species questions, the University of Florida's entomology and nematology department is a reliable, non-commercial reference.

Step 1: Set up the bin before the box arrives

Don't wait until the roaches are in your hands to build their home. Have it ready:

• ◆A smooth-walled plastic or glass bin with a secure lid. Smooth walls are doing real work here — adult discoids can't climb them, so they contain the colony without any petroleum-jelly barrier.
• ◆Fine metal mesh over all ventilation. This is the step people skip and regret. Adults stay put, but newborn nymphs are pinhead-sized and walk straight through drilled holes or coarse screen. Fine metal mesh (not plastic, which they chew) breathes while containing every life stage.
• ◆Vertical cardboard egg flats for hiding and surface area.
• ◆Warmth on a thermostat. Discoids are tropical; aim for 75-85°F. A side-mounted heat mat on a thermostat is ideal — never bottom heat, which cooks the zone where they cluster.
• ◆Humidity around 60-70% via water crystals or a damp sponge (never an open dish — nymphs drown).

Walking the roaches into a finished, warm, humid bin beats making them wait while you scramble.

Step 2: Watch the weather and the clock

Discoids are cold-sensitive, and transit temperature is the single biggest factor in arrival quality. Before they ship:

• ◆Check the forecast on both ends and along the route. In cold weather, ask the seller to include a heat pack; in a heat wave, ask about a cold pack.
• ◆Be there to receive it. A box of tropical insects sitting in a freezing or baking mailbox for hours is the most common cause of losses. If you can't be home, route the package to a pickup location and grab it fast.
• ◆Confirm tracking so you know the delivery day.

Step 3: Unbox calmly and deliberately

When the box arrives, bring it into a quiet, temperature-controlled room first — don't open it in a cold garage or hot car.

• ◆Inspect the outside for crushing, soaking, or damage, which can hint at rough handling or temperature exposure.
• ◆Gather supplies: the prepared bin (or a holding container), maybe nitrile gloves, and some fresh produce.
• ◆Open slowly. Discoids inside are usually in a vented bag or deli container packed with paper or egg-flat pieces. Sudden moves make them scatter. Open the inner container directly over the prepared bin so any quick movers drop straight in.

Step 4: Inspect health and count losses

As they go into the bin, look them over:

• ◆Healthy discoids have a smooth, glossy carapace and move with purpose when disturbed.
• ◆A few dead in transit is normal. As a rough benchmark, under ~10% loss is expected; more than that warrants action.
• ◆If losses are high or many arrive on their backs struggling, lethargic, or shriveled, that's a transit-temperature story. Photograph the box, the packaging, the heat/cold pack, and the dead roaches, and contact the seller — most have a live-arrival/DOA policy and will make it right with documentation.
• ◆Dehydrated arrivals (shrunken, sluggish) usually bounce back fast once they have warmth, humidity, and a damp paper towel or water crystals.

Step 5: Acclimate and feed

Let them settle. They'll often be sluggish from the trip — that's normal, not necessarily a problem.

• ◆Give it a few hours of quiet in the warm, humid bin before you judge anything.
• ◆Offer hydration and food right away: water crystals plus a little fresh produce (carrot, squash, apple) and a dry protein base. Shipped roaches haven't eaten in transit, so easy access to food and water for the first 24 hours restores them quickly.
• ◆Hold off on heavy handling while they recover.

Step 6: Quarantine before merging (if you have an existing colony)

If these are joining an established colony, don't dump them straight in. Hold new arrivals in a separate bin for about two weeks and watch for grain mites, mold, or unexplained die-offs. It's a cheap insurance step that stops an imported pest problem from crashing a colony you've spent months building.

Quick troubleshooting

• ◆Arrived cold and sluggish: warm them slowly to 75-85°F and give water crystals. Most recover.
• ◆High DOA: document and contact the seller; suspect transit temperature, not your setup.
• ◆Roaches "escaping": adults can't climb smooth walls — check for an unsealed lid or a gap, and make sure vents are fine-mesh so nymphs can't slip out.
• ◆Smell or mold in the bin within days: too wet — dry it out, improve ventilation, remove old produce.

The first week after arrival

Getting them in the bin alive is step one; establishing them is step two.

• ◆Leave them mostly alone for the first few days. Shipped roaches are stressed; constant disturbance slows recovery. Let them find the hides and settle.
• ◆Keep food and water constant. Recovering roaches eat and drink to rebuild — keep the dry base and water crystals topped up.
• ◆Verify the warm zone with a thermometer, not by feel. The most common reason a new group stays sluggish is simply that the bin is colder than the keeper assumes.
• ◆Watch for stragglers. A few that seemed weak on arrival may not make it; remove any that die so they don't foul the bin. Survivors usually firm up within a few days of warmth and hydration.
• ◆Don't expect breeding immediately. If you bought a starter group, give it months before harvesting — discoids ramp slowly, and feeding off the founders too early is the classic way to shrink a colony toward zero.

Seasonal shipping notes

Weather is the variable you most need to plan around:

• ◆Winter / cold snaps: request a heat pack, and consider shipping methods that minimize transit time. Bring the box in immediately — a tropical insect in a freezing mailbox for hours is the main cause of DOA.
• ◆Heat waves: request a cold pack and, again, fast handling. Extreme heat in a delivery truck or sun-baked porch is just as deadly as cold.
• ◆Mild shoulder seasons are the safest windows and need the least intervention.

If you have any choice in timing, shipping live tropical insects in moderate weather always beats fighting the extremes.

Starting or restocking a colony from a healthy source is half the battle won. All Angles Creatures ships well-started discoid roaches sized for both colonies and direct feeding.

A pre-arrival checklist

Have all of this ready before the box lands so you're never scrambling:

• ◆Smooth-walled bin with a secure lid
• ◆Fine metal mesh over every vent (hot-glued)
• ◆Vertical cardboard egg flats
• ◆Side-mounted heat mat on a thermostat, warm zone reading 75-85°F
• ◆Hygrometer reading 60-70%; water crystals prepped
• ◆A little fresh produce and a dry protein base in dishes
• ◆A phone handy to photograph the shipment if losses are high
• ◆(If merging with an existing colony) a separate quarantine bin ready

If a shipment goes badly

Even with everything right, weather and carriers occasionally fail. If most of the roaches arrive dead or dying:

1. ◆Document everything immediately — photos of the sealed box, the packaging, the heat/cold pack, and the dead roaches, plus the delivery timestamp.
2. ◆Contact the seller right away. Reputable feeder suppliers have live-arrival/DOA policies and will reship or refund with proper documentation. Acting fast matters — most policies have a short claim window.
3. ◆Save any survivors. Quarantine them, warm them, hydrate them, and give them a few days; weak-looking roaches often recover. Don't merge them with an existing colony until you're sure they're healthy.

A bad shipment is almost always a transit-temperature story, not a reflection of your setup — so fix the timing/packing for next time rather than second-guessing your bin.

The bottom line

Prep the warm, mesh-vented, smooth-walled bin before the box arrives, time delivery so the roaches never sit in extreme temperatures, unbox slowly over the bin, count your losses against the ~10% rule, hydrate and feed immediately, and quarantine before merging. Do that and discoids — already one of the toughest feeders to ship — arrive clean and settle in within a day.

Ready to keep them thriving long-term? See my complete playbook for keeping and breeding discoid roaches, or browse the full feeder insect care library.