Some genera are hard to place in these, though; they probably represent minor lineages of a more basal position.

He described a fourth, Hyptia mexicana, from Mexican amber.

Port Royal, originally named Cagway was an English harbour town and base of operations for buccaneers and privateers (pirates) until the great earthquake of 1692. One of the most debated mysteries from the Roman period involves the disappearance of the Legio IX Hispana, a legion of the Imperial Roman Army that supposedly vanished sometime after AD 120. An international team of researchers that includes a Texas A&M University professor has studied the lineage of dogs and found that there were at least five different types of dogs as far back as 11,000 years ago. Analyzing Tertiary period specimens from Dominican amber, Poinar was able to describe three new species of ensign wasps: Evaniella setifera, Evaniella dominicana and Semaeomyia hispaniola. Apomorphies of ensign wasp wings and their venation are: deeply separated jugal lobes in fore- and hindwings; loss of cross-veins on the distal forewing (though this is hard to determine in some) hindwings retain only medial, cubital, and part of the costal vein; all others have been lost; Ecology. [1], Evaniidae seem to have undergone significant evolutionary radiation in the Cretaceous; these taxa were separated as Cretevaniidae, but seem to be a subfamily if anything. A few hundred species of this widely distributed family have been described. Eoevania and Protoparevania seem to be closer to the living lineages than earlier fossils. Poinar didn't find any cockroaches in the fossilized tree resin along with the wasp remains, but he did spot some flying termites, which may have been sharing space with cockroaches. The body, which is black and somewhat spiderlike in appearance, ranges in length from about 1 to 1.5 cm (about 0.4 to 0.6 inch).

Among these were the more apomorphic and less diverse (but about equally speciose) taxa now placed in the Aulacidae and Gasteruptiidae, which together with ensign wasps make up the superfamily Evanioidea. The wasp who has to construct a paper wasp nest from wood pulp and they are raises the larvae on a diet of insects. Many people, upon seeing one, might assume that it will sting, but in fact it is totally harmless. Yes, these wasps indicate the presence of cockroaches in … [2], Rather, the Evanioidea seem to be close relatives of the Megalyroidea, Trigonaloidea, and particularly the Ceraphronoidea. Slowly the wasps will start to leave the site of the destroyed nest (some may try to hang around for a few hours or days) and leave in search of a hive where they may get accepted in. The Evaniidae, also known as the ensign wasps, nightshade wasps or hatchet wasps, are a family of parasitic wasps. But the main predators of wasps are mammals, reptiles, … These dead Ensign Wasps are either the result of collateral damage due to spraying for Cockroaches, or they are the result of bug phobia. Analyzing Tertiary period specimens from Dominican amber, Poinar was able to describe three new species of ensign wasps: Evaniella setifera, Evaniella dominicana and Semaeomyia hispaniola.

[3], The living ensign wasp genera can be divided into one larger and four smaller groups, which might be considered subfamilies. The adults drink nectar from flowers and neither they nor the larvae are dangerous or harmful to humans.

We identified the need for a central resource offering the latest archaeological news, journals, articles and press releases. [1], Before 1939, the Evaniidae were a "wastebin taxon" for any parasitic wasp with unusual morphology. The Tertiary period began 65 million years ago and lasted for more than 63 million years. Ensign wasps are beneficial to humans because all species are parasites of cockroaches, which are common household pests. “Some species of ensign wasps have even been used to control cockroaches in buildings,” OSU researcher George Poinar Jr. said.

As cockroaches are typically more abundant in and around human settlements, Evaniidae are a regular sight in such habitat where many other wasps are absent, and are frequently encountered in buildings looking for prey. HeritageDaily is a dedicated, independent publisher of the latest research and discoveries from across the academic community with a focus on archaeology, anthropology, palaeoanthropology and palaeontology.

The good news is that they are not dangerous unless you are a cockroach. No cockroaches accompanied the wasps in the amber, but three flying termites were found along with an ensign wasp in one of the Dominican amber pieces. Overall, they are successful organisms, existing since the time dinosaurs roamed the Earth with little change in morphology and, presumably, ecology. One year after the publication of research on the Xiahe mandible, the first Denisovan fossil found outside of Denisova Cave, the same research team has now reported their findings of Denisovan DNA from sediments of the Baishiya Karst Cave (BKC) on the Tibetan Plateau where the Xiahe mandible was found. Our editors will review what you’ve submitted and determine whether to revise the article. We delete comments that violate our policy, which we encourage you to read.

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