Conehead Mantis: Care, Species Types, Diet & Costs

Conehead mantis is the common name usually used for Empusa species, especially Empusa pennata and Empusa fasciata. These mantises are known for their long bodies, leaf-like leg lobes, and the pointed "cone" on the head that gives them a dramatic, alien look. Adults are usually about 2.5 to 4 inches long, with females often heavier-bodied than males.

For pet parents, conehead mantises are best thought of as display invertebrates rather than hands-on pets. They do best in a tall, well-ventilated enclosure with secure climbing surfaces and enough vertical space to molt safely. A screen or mesh-sided setup is often preferred because mantises need to hang upside down during molts, and poor ventilation can raise the risk of mold, dehydration swings, and bad sheds.

Compared with some beginner mantis species, coneheads can be a little less forgiving. They often do best with warm temperatures, moderate to low humidity depending on species, and flying prey as they grow. Their care is still manageable for a prepared beginner, but success depends on matching the setup to the exact species and life stage.

Lifespan is usually about 9 to 18 months, though males may mature faster and live a shorter adult life than females. Growth rate, feeding frequency, and temperature all affect how quickly they develop.

Conehead mantises do not have breed-specific inherited diseases in the way dogs and cats do, but they are very sensitive to husbandry-related illness. The most common problems are bad molts, dehydration, injury after falls, and stress from incorrect temperature or humidity. A mantis that cannot fully shed may lose a leg, become trapped in old skin, or die during the molt.

Other common concerns include starvation from prey mismatch, especially if prey is too large, too fast, or not the right type. Many mantises feed best on live insects that move in a natural way. Nymphs often need fruit flies, while older coneheads usually do better with house flies or blue bottle flies. If food is available but the mantis is not striking, review temperature, molt timing, and prey size before assuming illness.

Poor ventilation and overly wet substrate can also contribute to mold growth, bacterial buildup, and feeder insect die-off. These problems can stress the mantis and make the enclosure harder to manage. A healthy conehead mantis should be alert when disturbed, able to grip securely, and show a full, straight hang before and during molts.

See your vet immediately if your mantis has a severe fall, is stuck in a molt, cannot grip with multiple legs, has a collapsed or shriveled abdomen despite access to water and food, or becomes suddenly weak after a temperature spike. Not every veterinary clinic sees invertebrates, so it helps to identify an exotics practice before there is an emergency.

Conehead mantises are usually affordable to start, but the total cost range depends on whether you buy a single nymph and basic supplies or build a more polished display enclosure. In the U.S. in 2025-2026, a mantis itself often costs about $25 to $60, while rarer species, sexed juveniles, or imported lines may run higher when available.

A basic enclosure setup often falls around $20 to $50 for a small mesh or ventilated habitat, substrate, branches, and a misting bottle. If you want a larger display enclosure, backup feeder containers, decorative plants, and humidity tools, startup costs can rise to $60 to $150+. Ongoing feeding is usually modest, with fruit fly cultures commonly around $6.50 to $14 and feeder fly pupae often around $2.75 to $14 depending on quantity and seller.

For many pet parents, a realistic monthly cost range is $10 to $30 for feeders and occasional supply replacement. Costs go up if you keep multiple mantises, culture your own feeders poorly and need frequent replacements, or need overnight shipping during extreme weather.

Veterinary care for mantises is limited and not available everywhere. If you do find an exotics clinic willing to examine an invertebrate, the visit cost range may be similar to other exotic pet appointments in your area, but many problems in mantises are managed through environmental correction rather than medication. It is wise to budget for setup quality first, because prevention matters more than treatment in this species.

Conehead mantises are carnivorous insect hunters. Their diet should be made up of appropriately sized live prey, with the prey generally no larger than the mantis can safely subdue. Young nymphs usually start on flightless fruit flies, then move to larger fruit flies, house flies, blue bottle flies, moths, or other suitable feeder insects as they grow.

Flying prey is often especially useful for mantises because it triggers a natural hunting response. Many keepers find that coneheads feed more reliably on flies than on crawling feeders. Offer prey every 2 to 3 days for small nymphs and every 4 to 5 days for larger juveniles or adults, adjusting for body condition, species, and molt timing. A mantis close to molting often refuses food, which can be normal.

Hydration matters too. Mantises usually drink water droplets from enclosure surfaces after misting rather than from a bowl. Light misting on a schedule that matches the species helps support hydration without making the enclosure soggy. Too much moisture can be as risky as too little, especially in species that prefer drier airflow.

Avoid wild-caught insects from areas treated with pesticides. If you are unsure whether your feeding plan fits your mantis's age or species, your vet or an experienced exotics invertebrate keeper can help you review prey size, feeding frequency, and enclosure conditions.

Conehead mantises do not need exercise in the same way mammals do, but they do need an enclosure that allows natural climbing, perching, hunting, and safe molting. Vertical space is essential. A common rule is that the enclosure should be at least 3 times the mantis's body length in height and 2 times its body length in width.

Inside the habitat, provide thin branches, mesh, or other textured surfaces so the mantis can move securely and hang upside down. This is not enrichment in a luxury sense. It is basic function. Without good climbing structure, a mantis may fall, struggle to hunt, or fail to molt correctly.

Most coneheads are best kept as solitary pets. Handling should be limited and gentle, since falls can be serious. Watching stalking behavior during feeding is usually the safest and most natural form of activity. Rearranging the enclosure too often can create stress, especially around molts.

If your mantis seems inactive, first consider normal behavior. Mantises often spend long periods still and alert. Reduced movement becomes more concerning when paired with weak grip, poor feeding response, a shriveled abdomen, or recent environmental changes.

Preventive care for a conehead mantis is mostly about stable husbandry. Keep the enclosure clean, well ventilated, and species-appropriate for temperature and humidity. Remove dead feeders, old molts, and moldy substrate promptly. Check daily that your mantis can grip well, has access to climbing surfaces, and is not being disturbed during a premolt period.

Before bringing one home, confirm the exact species if possible. "Conehead mantis" may refer to more than one Empusa species, and care details can vary. A warm room is often enough for many mantids, but some species need drier airflow while others tolerate more regular misting. Matching the setup to the species is one of the best ways to prevent bad molts and feeding problems.

Feeder management is part of preventive care too. Keep feeder cultures fresh, avoid oversized prey, and do not leave active flies loose in the enclosure if your mantis is preparing to molt. Good prey rotation and clean feeder storage help reduce stress and waste.

Finally, identify an exotics clinic in advance in case you need help. Not every practice sees insects, but calling ahead gives you options if your mantis has a traumatic injury, repeated molt trouble, or unexplained decline.