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The Daily Species: Bumble Bee Fly (Laphria macquarti)

The Daily Species: Bumble Bee Fly (Laphria macquarti)

On the left is a bumble bee. On the right is... not a bumble bee. Laphria macquarti is one of the larger and more spectacular mimics of common bumble bees in the southeastern United States. These agile predatory insects are in the robber fly family Asilidae, and like most robber flies, they catch prey in mid-air. Their beelike appearance likely det...
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The Rough-stem Rosinweed - Silphium integrifolium var. asperrimum

The Rough-stem Rosinweed - Silphium integrifolium var. asperrimum

This rather tall sunflower is found primarily along streams on the Edwards Plateau and in north-central Texas. Although the leaves are sandpapery to the touch, they are relished by deer and other browsing wildlife. Flowering months: July and August. Photo: Dexter image collection, Plant Resources Center.Wildflowers of Texas project: http://www...
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Wildflowers of Texas: The angel trumpet, Datura Wrightii

Wildflowers of Texas: The angel trumpet, Datura Wrightii

A large white flower with a long tube is usually the telltale sign of a flower that blooms at night, since it is often adapted to pollination by long-tongued hawkmoths that only fly in the near-dark. Such is the case of the impressive (to about eight inches long) and beautiful flower of this species of jimsonweed. The fruit it produces is like a sp...
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Wildflowers of Texas: The prairie nymph, Herbertia lahue

Wildflowers of Texas: The prairie nymph, Herbertia lahue

This gorgeous flower makes a brief springtime appearance in Texas coastal prairies. It varies on color from blue to lavender. Flowering months: March, April, May. Photo: Dexter image collection, Plant Resources Center.Wildflowers of Texas project: http://www.lib.utexas.edu/exhibits/wildflowers/index.html
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A new microsporidian is the first described pathogen of tawny crazy ants

A new microsporidian is the first described pathogen of tawny crazy ants

A new study describing the first pathogen to be found in tawny crazy ants has been published by the Invasive Species Research group at BFL and is co-authored by USDA scientists. This is an important discovery given the national prominence and attention of these invasive ants. The pathogen is a new genus of microsporidian parasites that infects the ...
National Report Highlights Brackenridge Field Lab

National Report Highlights Brackenridge Field Lab

Brackenridge Field Lab’s national reputation—as a premiere site for research on invasive species, evolution and behavior, biodiversity, climate change and drought, as well as for education and outreach—was underscored with the lab’s inclusion in a report by the National Academy of Sciences on the critical role of field stations.   Th...
Regents approve plan to expand Stengl Lost Pines Biological Station

Regents approve plan to expand Stengl Lost Pines Biological Station

The UT Board of Regents approved a plan to expand the 208-acre Stengl Lost Pines Biological Station. Read more at My Statesman >>