Sibling Species, Call Differences, and Speciation in Green Lacewings (neuroptera: Chrysopidae: Chrysoperla).

Green lacewings of the morphologically homogeneous carnea-plorabunda-downesi group within the chrysopid genus Chrysoperla produce unique, species-specific, substrate-borne songs during courtship and mating; both sexes sing, and partners must reciprocally exchange their acoustical signals before copulation will occur. Two widespread, sympatric North American… CONTINUE READING