Fulgoromorpha (Europe)

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Key to the European families of the Fulgoromorpha

1		a: tibiae of the hind legs at the end with a conspicuous moveable spur. b: tibiae of the hind legs at the end without a moveable spur (but frequently with small spines) ▼ ▼ Delphacidae   2
2		a: compact and beetle-like forms with rounded forewings (usually not transparent and sometimes very short) and with large eyes b: more elongated forms with flat wing surfaces, eyes not particularly large; forewings often transparent or broad like in butterflies ▼ ▼   3     5
3		a: forewings of the adults either with longitudinal stripes or very short, not reaching the end of the abdomen b: forewings without longitudinal stripes and not very short ▼ ▼ piglet bugs Caliscelidae   4
4		a: frons with lateral carinae b: frons without lateral carinae ▼ ▼ Issidae Tettigometridae
5		a: forewings transparent, held in a roof-like position, veins usually covered with brown spots and with hairs b: other forms, including those with broad forewings ▼ ▼ Cixiidae   6
6		a: forewings broad like in butterflies b: forewings elongated ▼ ▼   7     8
7		a: at rest, wings folded b: at rest, wings spread out ▼ ▼ Flatidae Ricaniidae
8		a: inner margins of the forewings angulated, the ends of the wings overlap b: ends of the wings do not overlap ▼ ▼ Achilidae   9
9		a: final segment of the proboscis short, about as long as wide b: final segment of the proboscis much longer than wide ▼ ▼ Derbidae   10
10		a: forewings with claval veins conspicuously covered by a row of sensory pits b: clavus without sensory pits ▼ ▼ Meenoplidae   11
11		a: 2nd tarsus segment of hindlegs very small, only one spine on each side b: 2nd tarsus segment of hindlegs with a terminal row of small spines ▼ ▼ Tropiduchidae   12
12		a: head extended and pointed or frons with 2-3 carinae b: head not pointed and frons without carinae ▼ ▼ Dictyopharidae Kinnaridae