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NEOPHILAENUS LINEATUS

Aphrophoridae, Cercopoidea

Froghopper with widespread UK distribution.

A very common grassland species found across the UK.

Distribution records as at May 2019

Distinguishing features

Neophilaenus lineatus is the most common and widespread of the Neophilaenus species. Adults are 5 - 7mm long and can be seen between June and November.

 

As is typical with froghoppers, they have two stout spines on the outer edge of the hind tibia, as well as several smaller spines at the tip.

Neophilaenus species can be distinguished from Philaenus spumarius by the straight outer edge to the wings (they do not curve outwards when seen from above as is the case for Philaenus). They are distinguished from Aphrophora species by the vertex plate (top of the head) NOT having a median keel i.e. the top of the head is flat, there is no ridge running down the midline of the head. 

Neophilaenus lineatus is identified by the pale line running down the outside edge of the forewing, and by the central vertex 'plate' on the top of the head which is wider than it is long long (this feature separating it from the similar, but rare Neophilaenus longiceps).  The face has dark transverse lines, and a dark midline. There is a dark form that occurs in certain populations living on purple moor grass Molinia caerulea.