
VIDEO SERIES
THE SECRET LIFE
BENEFICIAL NEMATODES
—
Eight observations.
One hidden life cycle.
A real microscopic observation following Steinernema feltiae and a fungus gnat larva through 72 hours.
——
——
Host
Nematode
——
Temperature
——
Observation period
——
Approximate exposure
Bradysia sp.
Steinernema feltiae
24 °C
0 – 72 hours
~50 infective juveniles
This series documents a small-scale observation rather than a controlled scientific experiment designed to quantify infection or mortality.

01
—
MEET THE FUNGUS GNAT
Before exposure
Meet the host before the experiment
begins.

02
—
THE HUNTERS ARRIVE
0 hours after exposure
The infective juveniles enter the environment containing the host.

03
—
THE SEARCH
12 hours after exposure
The infective juveniles enter the environment containing the host.




04
—
FIRST CHANGES
24 hours after exposure
Early changes become visible in the host.
05
—
CHANGES IN THE HOST
12-24 hours
Movement decreases as the infection progresses.
07
—
A NEW GENERATION BEGINS
24 hours after exposure
Inside the cadaver, development has progressed dramatically.
06
—
INSIDE THE HOST
12-24 hours
Infective juveniles can be seen through the transparent cuticle.

08
—
A NEW GENERATION
72 hours
A new generation of infective juveniles emerges
from the host and moves back into the environment.
————
Eight observations.
One hidden life cycle.
—
The cycle continues ...

