Pokémon Go' Mega Beedrill: Special Research Tasks and How to Mega Evolve

Mega Beedrill needs 100 Mega Energy for the first transformation and just 25 afterwards.

Beedrill Mega Energy Gained from Gym Spins : r/TheSilphRoad

Beedrill, Pokémon GO Wiki

Pokémon GO Mega Evolutions List - How Get Mega Energy

Complete Mega Evolution Guide

Here's How to Collect Mega Energy for Mega Beedrill!

Pokémon Go Mega Evolution update and new bonuses, how to Mega Evolve and all Mega Evolutions list

The Dangerous Implementation of Mega Evolutions

Pokemon Go MEGA Raids & Energy! Venusaur, Ampharos, Houndoom, & more! $20/hour.

Pokémon GO: All The Field Research Tasks That Give You Mega Energy

Pokemon GO: All Mega Discovery Special Research Tasks and Rewards

Walking for Mega Energy, Additional Catch Candy Now Active for Mega Evolved Pokemon

COMPLETE *MEGA EVOLUTION GUIDE* - HOW TO GET ENERGY, EVOLVE & USES TO MASTER MEGAS

Pokémon Go: A Mega Discovery Special Research tasks and rewards - Polygon

Pokémon Go' Mega Beedrill: Special Research Tasks and How to Mega Evolve

Pokémon Go A Mega Discovery Special Research: How to complete each quest tasks and earn Mega Beedrill explained