SpiderExploding is implemented in Java at:
SpiderExploding appears in level spawn configuration:
<string name="SpiderExploding_Name">spider worker</string> <string name="SpiderExploding_Desc">Hard workers during peaceful times, these creatures won't hesitate to charge to their enemies and grab first plant they run across, turning themselves into living bombs.</string>
This entity is implemented in Java, no Lua script exists