If this card was Special Summoned by the effect of "Ultimate Insect LV5", while it remains on the field all your opponent's monsters lose 700 ATK and DEF.
Rulings
Individual Card FAQs
If "Ultimate Insect LV7" is Summoned by the effect of "Ultimate Insect LV5", but is then flipped face-down and then face-up again, its effect is reset and will no longer be applied.
If you have 2 copies of "Ultimate Insect LV7" each Summoned by the effect of "Ultimate Insect LV5", then the ATK and DEF of your opponent's monsters are reduced by 1400 points.
"All your opponent's monsters" means the monsters on your opponent's side of the field.
WIND|
Level 7|[ Insect / Effect ]
ATK 2600|
DEF 1200