While the Organ-pipe Mud-dauber Wasp can grow to a size of 1.9 inches it’s not considered a major threat to humans as it has a docile nature. They are mainly attracted by spiders as they are an almost exclusive part of the diet. These wasps are mainly black and they can be seen around gardens across the country. These nests can sometimes be by long tubular constructions where females and eggs are sheltered. Organ-pipe Mud-dauber Wasp Organ-pipe Mud-dauber WaspĪs its name suggests, this wasp (Trypoxylon politum) makes nests out of the mud. Member of these species can be found on wildflowers next to forests where they prefer the nectar of flowers with cluster blossoms.Īdults only eat nectar while larvae are fed the larva of Noctuidae moths. This is a black wasp with golden spots on the body. Identification of the Gold-marked Thread-waisted Wasp (Eremnophila aureonotata) is based on its coloring. Gold-marked Thread-waisted Wasp Gold-marked Thread-waisted Wasp Young larvae and wasps of the species are fed spiders and other insects for their high protein content. They are known to exclusively feed on plant nectar, but only as adults. Nearctic Blue Mud-dauber Wasps live in the ground. Popular information about the species includes its ability to kill the famous Black Widow spider. This wasp is common and feared by humans due to its painful sting. It’s identified by a long body that grows up to 23mm and a narrow petiole. The species is mostly black in certain parts of the country. The Nearctic Blue Mud-dauber Wasp (Chalybion californicum) is known for its metallic blue and sometimes black body coloring. Nearctic Blue Mud-dauber Wasp Nearctic Blue Mud-dauber Wasp They sometimes carry their prey in their underground nests. Great Black Digger Wasps live in the ground. insects of the microcentrum genus) 3 times to effectively paralyze them. These wasps are known for stinging their prey (ie. They have dark smoky wings and are generally feared due to their painful sting. Great Black Digger Waspīoth males and females can be recognized by their all-black bodies. They typically grow to a size between 0.7 and 1.1 inches.įemales grow a bit larger in a range between 1.1 and 1.3 inches. Males are known for being smaller than females. Males and females of the species constantly grow longer than 1 inch. The Great Black Digger Wasp (Sphex pensylvanicus) is one of the largest black wasps in the country.

Yearly observations of these wasps are common. The following species of black wasps are common in the US.

Large black wasp with white stripes