As the name implies, this group consists of mainly Bug-types (with the exception of Trapinch, Vibrava, Flygon, Gligar, Gliscor and Drapion). There are very few pokemon here also in a second group, and several do not learn egg moves.
| # | Name | Other group |
|---|---|---|
| 010 | Caterpie | |
| 011 | Metapod | |
| 012 | Butterfree | |
| 013 | Weedle | |
| 014 | Kakuna | |
| 015 | Beedrill | |
| 046 | Paras | Grass |
| 047 | Parasect | Grass |
| 048 | Venonat | |
| 049 | Venomoth | |
| 123 | Scyther | |
| 127 | Pinsir | |
| 165 | Ledyba | |
| 166 | Ledian | |
| 167 | Spinarak | |
| 168 | Ariados | |
| 193 | Yanma | |
| 204 | Pineco | |
| 205 | Forretress | |
| 207 | Gligar | |
| 212 | Scizor | |
| 213 | Shuckle | |
| 214 | Heracross | |
| 265 | Wurmple | |
| 266 | Silcoon | |
| 267 | Beautifly | |
| 268 | Cascoon | |
| 269 | Dustox | |
| 283 | Surskit | Water 1 |
| 284 | Masquerain | Water 1 |
| 290 | Nincada | |
| 291 | Ninjask | |
| 313 | Volbeat | Human-Like |
| 314 | Illumise | Human-Like |
| 328 | Trapinch | |
| 329 | Vibrava | |
| 330 | Flygon | |
| 401 | Kricketot | |
| 402 | Kricketune | |
| 412 | Burmy | |
| 413 | Wormadam Plant Cloak form |
|
| 414 | Mothim | |
| 415 | Combee | |
| 416 | Vespiquen | |
| 451 | Skorupi | Water 3 |
| 452 | Drapion | Water 3 |
| 469 | Yanmega | |
| 472 | Gliscor | |
| 540 | Sewaddle | |
| 541 | Swadloon | |
| 542 | Leavanny | |
| 543 | Venipede | |
| 544 | Whirlipede | |
| 545 | Scolipede | |
| 557 | Dwebble | Mineral |
| 558 | Crustle | Mineral |
| 588 | Karrablast | |
| 589 | Escavalier | |
| 595 | Joltik | |
| 596 | Galvantula | |
| 616 | Shelmet | |
| 617 | Accelgor | |
| 632 | Durant | |
| 636 | Larvesta | |
| 637 | Volcarona |