Campylomorphus homalisinus (Elateridae): a new species for Lombardy (Italy), with notes on its ecology, distribution and biogeography

Campylomorphus homalisinus has been found on Mt. Lesima (Northern Apennines) and it is the first record for the Lombardy region. C. homalisinus is a rare orophilous species: it has a discontinuous chorology that may have been caused by glaciers dynamics during the Pleistocene era. Little is known about the ecology of the species. This record and the expert-based investigation we performed determined that C. homalisinus inhabits shrublands and grasslands, but may also occur in the forests. This survey includes the only record of C. homalisinus foraging on flowers, a behavior that is not rare in the family Elateridae. We hypothesize that adults integrate their diet with flower resources according to a generalist strategy.

平鞘弯叩头甲（Campylomorphus homalisinus）在莱西马山（北亚平宁山脉）被发现，这是伦巴第大区的首个该物种分布记录。该物种为罕见的嗜高山物种，其分布呈间断格局，这一格局可能由更新世时期的冰川活动所塑造。目前学界对该物种的生态学特性所知甚少。结合本次发现与我们开展的专家主导调查，明确了平鞘弯叩头甲栖息于灌丛与草本群落中，亦可能出现于森林生境。本次调查还记录到该物种的访花觅食行为，这一行为在叩头甲科（Elateridae）中并非罕见。我们推测，该物种成虫会通过广食性策略，将花类资源纳入其食谱之中。