Matthews Lab

Comparative Respiratory Physiology


(Order Odonata, Suborder Anisoptera)


There are several locally abundant species of dragonfly that can be collected on campus. The flying adults can be caught using aerial nets during the warm summer months, while the nymphs can be scooped from ponds with dip nets year-round. The UBC Botanical Gardens and the Schluter Lab's South Campus Experimental Ponds are regular collection sites (with kind permission!).

Blue-eyed darner (Aeshna multicolor)

Paddle-tailed darner (Aeshna palmata)

Four-spotted skimmer (Libellula quadrimaculata)

Cardinal meadowhawk (Sympetrum illotum)


(Order Blattodea)


We maintain three species of cockroach in our lab for investigations into gas exchange regulation. The speckled feeder roaches (Nauphoeta cinerea) are the smallest, at around 3-4 cm long, and fastest breeding. The slightly larger dubia roaches (Blaptica dubia) are sexually dimorphic, with only the males possessing fully developed wings. Finally, the Madagascan hissing roaches (Gromphadorhina portentosa) are colossal, reaching over 8 cm long.

Speckled feeder roach (Nauphoeta cinerea)

Dubia roach (Blaptica dubia)

Madagascan hissing roach (Gromphadorhina portentosa)

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