Notes on primary early Bug-types

Three staged:

BST:

1. 505: Orbeetle
2. 500: Leavanny, Vikavolt
3. 485: Scolipede
4. 411: Vivillon
5. 395: Butterfree, Beedrill, Beautifly
6. 385: Dustox

HP:

1. 80: Vivillon
2. 77: Vikavolt
3. 75: Leavanny
4. 65: Beedrill,
5. 60: Butterfree, Beautifly, Dustox, Scolipede, Orbeetle

Attack:

1. 103: Leavanny
2. 100: Scolipede
3. 90: Beedrill,
4. 70: Beautifly, Vikavolt
5. 52: Vivillon
6. 50: Dustox
7. 45: Butterfree, Orbeetle 

Defense:

1. 110: Orbeetle
2. 90: Vikavolt
3. 89: Scolipede
4. 80: Leavanny
5. 70: Dustox
6. 50: Butterfree, Beautifly, Vivillon
7. 40: Beedrill

Special Attack:

1. 145: Vikavolt
2. 100: Beautifly
3. 90: Butterfree, Vivillon
4. 80: Orbeetle
5. 70: Leavanny
6. 55: Scolipede
7. 50: Dustox
8. 45: Beedrill

Special Defense:

1. 120: Orbeetle
2. 90: Dustox
3. 80: Butterfree, Beedrill, Leavanny
4. 75: Vikavolt
5. 69: Scolipede
6. 50: Beautifly, Vivillon

Speed:

1. 112: Scolipede
2. 92: Leavanny
3. 90: Orbeetle
4. 89: Vivillon
5. 75: Beedrill
6. 70: Butterfree
7. 65: Beautifly, Dustox
8. 43: Vikavolt

Two staged:

BST:

1. 400: Ariados
2. 390: Ledian
3. 384: Kricketune

HP:

1. 77: Kricketune
2. 70: Ariados
3. 55: Ledian

Attack:

1. 90: Ariados
2. 85: Kricktune
3. 35: Ledian

Defense:

1. 70: Ariados
2. 51: Kricketune
3. 50: Ledian

Special Attack:

1. 60: Ariados
2. 55: Ledian, Kricketune

Special Defense:

1. 110: Ledian
2. 70: Ariados
3. 51: Kricketune

Speed:

1. 80: Ledian
2. 65: Kricketune
3. 40: Ariados

Edit (27.12.2019): Added Orbeetle's stats.