Based on https://paintpad.app/r/1l7, using Vallejo only

Primer

1. Base priming Rust-Oleum Painter's Touch Flat Black Primer
2. Extra layer PEINTURE VALLEJO - AEROSOL

Body

1. Paint entire BODY with Imperial Yellow , avoiding just the wing membranes, claws/sting/mandibles, and backpack.
2. Clean up the WING MEMBRANES with White
3. Paint UNDER-SHELL (neck, belly, etc.) with a mixture of: 1 part Velvet Red , 1 part Copper Brown .
4. For the ANTENNAE and FEET: Create color gradient by applying straight Thinner Medium to specific areas, then use a rinsed brush to apply contrast paint, then use a rinsed brush to feather out the contrast paint for blending.
5. Paint entire BODY with a mixture of: 1 part Velvet Red , 1 part Copper Brown and 4 part WATER, using light brush and avoiding paint accumulation (just to darken the overall BODY) and avoiding the wing membranes, claws/sting/mandibles, and backpack.
6. Paint the last Phalynx of each claws, the sting and the mandibles in Black .
7. Paint WING MEMBRANES entirely with Light Turquoise and just a speck of Thinner Medium .
8. Add color gradient by applying Thinner Medium to one wing, adding equal parts Caribbean Turquoise and Thinner Medium to the edge, rinsing the brush, and then feathering out the paint for blending. Repeat for all wing membranes.
9. Base the EYES with White , apply a layer of Green , and then do a recess shade of equal parts Light Turquoise and Thinner Medium .

Armor & Weapons

1. Color helmet & weapon in White
2. Add Copper for the weapon Tau symbol
3. If the weapon have bottle attach, use Dark Vermilion
4. If there's an helmet, color the lense with Dark Vermilion