I am making this guide a listing out the locations of all the dragonfly eggs using each home world as a way to sort it out. Since I have discovered that some levels contain more than one egg I will be editing this as I discover other locations. There will be a detailed walkthrough when/if I get a copy of J Spyro and a PocketStation.

Artisans Realm

• Artisans Home - On top of the stone outcrop reached by jumping from the hill. https://sta.sh/0ildxjuccpi
• Stone Hill - At the end of the level, jump down to the beach bellow. https://sta.sh/02d9ks5mpj8
• Dark Hallow - In on the ledge to the left as you go up the stairs next to the two fire pits where the extra life is located. https://sta.sh/0101zw0bk2lh
• Town Square - Located along the path where you chase the Dragon Egg Thief around where you would jump to the adjacent platform. https://sta.sh/043h8mtqi8p
• Toasty - At the end of the level right next to the exit whirlwind. https://sta.sh/02ckbvu5ogiu
• Sunny Flight - No Dragonfly Egg.

Peace Keepers

• Peace Keepers Home - Behind the portal of Night Flight. https://sta.sh/01hqdfuqfd9p
• Dry Canyon - On the island where the key chest is. https://sta.sh/0tj42ofxnsl
• Cliff Town - Behind the building you start the level. https://sta.sh/0j5qgkadl47
• Ice Cavern - On the platform with the three lives. https://sta.sh/01csyzbltzbp
• Doctor Shemp - On the platform with the 25 gem reached by flying from the top of the whirlwind tower. https://sta.sh/0291gz0x4ovj
• Night Flight - No Dragonfly Egg.

Magic Crafters

• Magic Crafters Home - Behind Crystal Flight's portal. https://sta.sh/01nijdv5dcvk
• Alpine Ridge - At the exit whirlwind walk down the small hallway and glide to the start of the level and the egg will be in the air between the two. https://sta.sh/0ra2pgbympn and https://sta.sh/025vhgmino1d
• High Caves - On the island with the egg thief next to the three cogwheel chests. https://sta.sh/01k6tsv22ue2
• Wizard Peak - On one of the first set of three platforms reached by Super Charging. https://sta.sh/046xh3sngly
• Blowhard - At the end of the caves with the moving platforms on the wooden platform past the metal chests. https://sta.sh/01f3ydie08x8
• Crystal Flight - No Dragonfly Egg.

Beast Makers

• Beast Makers Home - Behind the temple like building close to Metalhead's portal. https://sta.sh/0127gq83g8d5
• Terrace Village - On one of the platforms with the fireworks https://sta.sh/026beodqip5q AND On the wall of the building housing the exit whirlwind is. (Unknown how to get it) https://sta.sh/0tadscvvog8 and https://sta.sh/02g41182v5al
• Misty Bog - On the large treestump with three cogwheel chests. https://sta.sh/02aooa5o8bn5
• Tree Tops - At the end of the ramp down one of the tall towers which has a dragon on it and the Super Charge ramp with five regular chests next to a spikey wooden fence, it is slightly out in the open, jumping to get it or gliding down to it is the best choice. https://sta.sh/0cbhpor4wz0 and https://sta.sh/01b2dca8x8x7
• Metalhead - At the end of the level after defeating Metalhead go up the whirlwind and all the way around the outside path to find the egg. https://sta.sh/01w9ayphpvm9
• Wild Flight - No Dragonfly Egg.

Dream Weavers

• Dream Weavers Home - Behind the Icy Flight portal. https://sta.sh/0wspcjsv1vd
• Lofty Castle - On a small floating island with a fairy crate and a Balloonist Gnorc https://sta.sh/01glp6k4coks
• Dark Passage - Up the whirlwind which is next to a ten (gold) and a five (blue) flame jump chests, the egg is on the bottom of the stairs. https://sta.sh/0q83swkgemr
• Haunted Towers - In the final room with the last Super Flame Fairy. https://sta.sh/022ycv32nksw
• Jacques - At the end of the lava platforming gauntlet, fly up the whirlwind and curl around to grab the egg which is sitting on the wall. https://sta.sh/0z08wmm4md5
• Icy Flight - No Dragonfly Egg.

Gnasty's World

• Gnasty's World Home - No Dragonfly Egg.
• Gnorc Cove - Floating just above the water at next to the end of the level. Best way to collect it is either to jump down from next to the exit whirlwind or from the area close by glide over and take a few hits to get there. Taking at least one hit seems to be mandatory with this egg. https://sta.sh/020xihngn0u5
• Twilight Harbour - Guarded by a machine gun gnorc who stands in front of the pentagon window. https://sta.sh/0jtxga6ot9g and https://sta.sh/011wt0v5owxd
• Gnasty Gnorc - Just chase Gnasty down and just before you begin to jump over lava pits the egg is in the tunnel. https://sta.sh/01naa7gge9jk
• Gnasty's Loot - In the middle of the level with a firework, a chest broken by a firework. It is on the platform nearest to the exit whirlwind. https://sta.sh/011osmodn9iv

This guide will be updated as I find more dragonfly eggs.