Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
While you control another Insect monster, if an Insect monster you control attacks a Defense Position monster, inflict piercing battle damage to your opponent.
--クロスソード・ハンター
--Cross-Sword Beetle
local s,id=GetID()
function s.initial_effect(c)
	--pierce
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_PIERCE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	c:RegisterEffect(e1)
end
function s.condition(e)
	return Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,RACE_INSECT),e:GetHandlerPlayer(),LOCATION_MZONE,0,1,e:GetHandler())
end
function s.target(e,c)
	return c:IsRace(RACE_INSECT)
end