Here's new footage of Mamamite.
Here's Astronema, Ecliptor and Mamamite.
Footage shown on the Dark Fortress' View Screen is Sentai footage, this is the footage Astronema watches after Mamamite tells her about her eggs.
As soon as you see the shot of Mamamite on Earth, it's new footage. Here's a shot of her in new footage on Earth.
Here's new footage of 3 Rangers and Mamamite.
Here's new footage of Mamamite and the 5 Rangers. In this shot, the Rangers are holding the Quadroblaster and the Red Ranger has the Spiral Saber Booster Mode.
Here's new footage of the Rangers posing with the Quadroblaster and Spiral Saber Booster Mode after Mamamite has been destroyed.
All footage of Mamamite is new footage.
In Megaranger, "Mamamite" was destroyed by Red's swirling move while string her with his Saber, then the Astro Axe and Lunar Lance hit her at the same time, then the Satellite Stunner fired at her and then Silver stabbed her with his Super Silverizer Blade Mode.
The shot of the ground cracking open is Sdentai footage which you can see hear. In this shot you can see the Megaranger as well as Grandma Hammond's counterpart.
Here's new footage of the Bugs eating away at whatever this thing is.
However once you see a shot of the black car, it's back to Sentai footage.
I don't know if the shots of the 4 Rangers after they morph is new footage or not. It looks like new footage but I can't be 100% sure but I know that as soon as you see a close-up shot of the Red Ranger grabbing his Astro Blaster from his holster, it is definitely Sentai footage.
Faraway shots of the police car driving is Sentai footage.
As soon as Ashley morphs it's new footage but when she runs in front of the police car it's Sentai footage.
All following shots of the Rangers and Termitis is Sentai footage until you see this shot then it starts the new footage up again.
As soon as you see this shot of the Yellow Ranger it goes back to Sentai footage.
All faraway shots of the police car in Sentai footage around the Termitis footage area are flipped.
Once you see a shot of the Yellow Ranger in the same shot as Grandma Hammond's hand, that's when the new footage starts back up again.
This shot of the Yellow Ranger is when it goes back to Sentai footage.
After Yellow Ranger defeats Termitis with her "Blade Arm" move, the following shot of when Termitis recovers and gets back up is new footage. This shot of Termitis is new footage.
This shot of Termitis growing is Sentai footage but the Satellaser beam is just added into the shot. This is when the Sentai footage starts back up.
All Giant footage is Sentai footage.






Following info comes from Mega 28.
Here's Mamamite.    
Here's Termitis.
Here's Giant Termitis.
Here's a shot of the Astro Megazord Cockpit but this time with Yellow in Red's seat.
Here's a shot of the Astro Delta Megazord with the Astro Megazord Blaster.