Mepps Aglia spider dresses come in sizes No.00 through No.5. A No.00 is a Mepps Ultra Lite and weighs only 1/18 oz. These small trout and panfish lures are dressed in natural hackle. They are also available as willow worms. The number 0 Aglia turns fly is also a Gusano Wooly. It is too perfect for panfish and trout and weighs 1/12oz Aglias larger dresses weigh up to 1/2 oz. (N or 5) The hooks in Aglias dressed in sizes No.1-No.5 are dressed with natural squirrel tail or bucktail. Aglias Dress (Ultra Lites & Worms) size No.00 or number 0 are perfect for panfish (bluegills or sunfish) and small stream trout. They are very lightweight, however, require an agile rod, equipped with a light action reel queued with the light line, nothing heavier than the six-pound test. Two pounds to the test of four pounds of the test is better. Aglias dresses size N or 1 and N or 2 are perfect for large creek trout and big bluegills, moonfish and fish types. Size No.2 Aglias are also excellent for the girl's mouth lobin and zander. Aglias Mepps in sizes N or 3 and N or 4 are preferred by low angler mouthpieces. In fact, the dress No.3 Mepps Aglia was rated as the best of all lure for the low mouths by the readers of the magazine Sports Far. Size Aglias No.4 and No.5 are ideal for large rainbow trout and rainbow trout as well as coho (silver) and Chinook (king) salm. Sheldons Inc Mepps B0St-S-W Aglia Dressed Treble 1/12-Ounce (Silver/White) The size is 1/12 ounce. The colour is white. General rule is use smaller lures to catch smaller fish and larger lures to catch larger fish. Casual Leisure Sport Activity AccessoriesSports Outdoors Sporting Goods Products.