Beetles vs true bugs Beetles vs True Bugs

Beetles vs. true bugs

Beetles vs. True Bugs True bugs Beetles Number of Species 80, 000 350, 000 2 out of 5 known insect species are beetles! Metamorphosis type Incomplete (three stage) Complete (4 stage) Wings (most easily visible difference) May not have wings (aphids). Beetles have elytra If they do have wings the front Hard leathery forewings that they is top is partially hard and the lift out of the way to fly bottom is transparent so they look like they have half wings. Top of wings V-shape elytra form straight line Mouths “True bugs suck” They have a proboscis, if their food isn’t liquidy they insert a chemical that dissolves it so they can suck it up. Have chewing mouths. Can chew through most anything

Metamorphosis • Complete • Incomplete Beetles have complete metamorphosis True bugs have simple/ incomplete metamorphosis

• Piercing sucking mouth • Incomplete metamorphosis • Two pair wings, top pair partially hardened near base • Triangular area on top • Do not always have wings

True bugs without wings include aphids which are often found on milkweed

• Top pair of wing are hardened and called Elytra, under wings are for flight • Chewing mouths • Complete metamorphosis Elytra

True bug wings vs. beetle wings

True bugs wings have a “V”

Beetles elytra and hind wings

True bug mouths Have ability to pierce their food and then dissolve with a chemical if needed so they can then suck up the food in a straw – like proboscis.

Beetle mouths have chewing parts

Milkweed bugs vs. lady beetles

videos • Beetles flying • https: //www. youtube. com/watch? v=S 77 SYg. OZXfg ladybug in super slo mo (start at second 20) • https: //video. search. yahoo. com/yhs/search; _ylt=A 86. Jy. Rhas 1 ZRVs. A 1 qgnn. Il. Q? p =beetles+flying&fr=yhs-mozilla-002&fr 2=piv-web&hspart=mozilla&hsimp=yhs 002#id=3&vid=5 eb 6 c 5 d 43 ec 20 f 13 ebab 058963353973&action=view

Optional video • Rhinoceros beetles fighting https: //video. search. yahoo. com/yhs/search; _ylt=Awr. Tccfyb. M 1 Zhy. QAUd. Ynn. Il. Q? p=hercul es+beetles+fighting&fr=yhs-mozilla 002&fr 2=pivweb&hspart=mozilla&hsimp=yhs 002#id=1&vid=0 b 2 da 89159 acdf 659187757 da 99 a 4 f 06&action=view