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Two new wasp
species found hidden in museum collections
Two new wasp
species found hidden in museum collections
By: Paul Sutherland
February 24, 2014
February 24, 2014
Scientists have identified two new wasp species, years after the specimens
were first collected from the wild. The two new species, Abernessia prima
and Abernessia capixaba, belong to the rare pompilid genus Abernessia,
and are believed to be endemic to Brazil. They made the discovery while
examining spider wasp collections from museums in Brazil and Denmark, and
published their findings in the journal ZooKeys.
Cecilia Waichert from Utah State University said one specimen was collected as far back as the early twentieth century, while the other was more recent.
"We only know of four species and five individual neotropical spider wasp specimens of the Abernessia genus," Waichert said. "Unfortunately, we know very little about these new species, but this finding increases our knowledge of the their distribution, diversity, and morphology."
Cecilia Waichert from Utah State University said one specimen was collected as far back as the early twentieth century, while the other was more recent.
"We only know of four species and five individual neotropical spider wasp specimens of the Abernessia genus," Waichert said. "Unfortunately, we know very little about these new species, but this finding increases our knowledge of the their distribution, diversity, and morphology."
Spider wasps in the
Pompilidae family take their name from their parasitic relationship with
spiders. The wasps sting and paralyze the spider then lay a single egg on its
abdomen. After hatching, the wasp larva drains the paralyzed host spider of
fluids, slowly killing it, for its first meal.
However, researchers have so far been unable to learn much about the new species' behavioral patterns, and there are no studies planned for the immediate future.
"Species from the Abernessia genus are rare in museum collections and no one has ever observed their behavior or studied their ecology," said Waichert. "Specimens found within museum collections are very important, as they serve as reference for several studies, including ecology, pest management, genetics, conservationism."
"We have found that these spider wasps are morphologically similar to pompilid species that hunt trap-door spiders. Perhaps species of Abernessia also prey on trap-door spiders, but we can only guess their behavior."
Citations:
However, researchers have so far been unable to learn much about the new species' behavioral patterns, and there are no studies planned for the immediate future.
"Species from the Abernessia genus are rare in museum collections and no one has ever observed their behavior or studied their ecology," said Waichert. "Specimens found within museum collections are very important, as they serve as reference for several studies, including ecology, pest management, genetics, conservationism."
"We have found that these spider wasps are morphologically similar to pompilid species that hunt trap-door spiders. Perhaps species of Abernessia also prey on trap-door spiders, but we can only guess their behavior."
Citations:
- Waichert C, Pitts JP (2013) Two new species of Abernessia Arle (Pompilidae, Ctenocerinae). ZooKeys 353: 71-79. Doi: 10.3897/zookeys.353.6223
