
Nymph infected with Serratia marcescens
This nymph was alive when I collected it, but before long, it turned red and died. Serratia marcescens is a pathogenic bacteria. It can infect insects, spreads quickly, and is difficult to eradicate. I once lost an entire mosquito colony to this bacteria, which set my research back months.
Habitat: Collected in a woodland stream

''Serratia marcescens'' is a species of rod-shaped, Gram-negative bacteria in the family Yersiniaceae. It is a facultative anaerobe and an opportunistic pathogen. It was discovered in 1819 by Bartolomeo Bizio in Padua, Italy. ''S. marcescens'' is commonly involved in hospital-acquired infections , particularly catheter-associated bacteremia, urinary tract infections, and wound infections, and is responsible for 1.4% of HAI cases in the United States. It is commonly found in the respiratory and urinary.. more
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