Phil Matthews is an Assistant Professor at UBC Department of Zoology in Comparative Physiology. His lab main focus in on respiratory adaptations in insects.
Currently at Phil Matthews lab: The Rhododendron Leafhopper (Graphocephala fennahi) –another xylem-feeding insect. As the name suggests, this colourful leafhopper is often found feeding on rhododendron bushes. Image: Elisabeth Bergman
Currently at Phil Matthews lab:Research by Elisabeth Bergman centres on how xylem-feeding insects such as the meadow spittlebug (Philaenus spumarius) are able to feed directly from the tracheids and vessels of vascular plants. The water and solutes that are transported via the xylem are under high tension, so the question is, how do these insects drink from it? The Meadow Spittlebug - nature's little superhero (~6mm) is able to pump against 10 bars of pressure in order to feed. Image: Elisabeth Bergman
Currently at Phil Matthews lab: Evan McKenzie studies the hydrostatic buoyancy mechanism of the Chaoborus larva, which operates using pairs of air-filled sacs which can grow or shrink, depending on whether the animal wants to rise or sink. Evan’s primary question is: how do these air-filled sacs achieve changes in size without any associated musculature? This is an image of Chaoborus americanus whole mount with pairs of reflective air sacs seen just behind the head as well as near the posterior end of the body. Image: Evan McKenzie
Currently at Phil Matthews lab: One of four air sacs from a specimen of Chaoborus americanus, a midge in the order Diptera. These larvae are aquatic and depend on their air sacs to keep them neutrally buoyant within a body of water, where they feed on smaller zooplankton. The wall of the sac is fluorescing blue under near UV light due to the presence of resilin, a protein unique to arthopods, which enables the sac to change its size. Image: Evan McKenzie
Currently at Phil Matthews lab:Dragonfly (Libellula forensic) eggs and larvae raised in the Matthews lab for NADPH diaphorase staining. This was a side project by Emma Green, an undergraduate in honours biology at UBC, looking for nitric oxide synthase in dragonfly larvae, by staining for NADPH diaphorase. Images: Emma Green and Elisabeth Bergman
Currently at Phil Matthews lab:Research by Tormod Rowe looks at carbon dioxide and oxygen as mechanisms of controlling ventilation in Madagascar hissing cockroaches.
"Managing human-dominated landscapes at multiple scales for ecosystem services and multi-functionality", Matthew Mitchell, Beaty Biodiversity Museum Auditorium 12pm.
Cookies and coffee at the Biodiversity Biodiversity Research Centre atrium at 11:30am