longicorn

1. biologyLong-horned.
2. obsoletebiologyOf or relating to the former taxonomic insect group Longicorniahttps://www.merriam-webster.com/dictionary/Longicornia, encompassing numerous beetles with long antennae. Some are now classified as Cerambycidae (longhorn beetles).

   1 more example

   I must name Mr. F. P. Pascoe, late President of the Entomological Society of London, who had almost completed the classification and description of my large collection of Longicorn beetles (now in his possession), comprising more than a thousand species, of which at least nine hundred were previously undescribed and new to European cabinets.

   1869, Alfred Russel Wallace, The Malay Archipelago, volume I, London: Macmillan and Co., page ix

plural longicorns

1. obsoleteOne of the Longicorniahttps://www.merriam-webster.com/dictionary/Longicornia, a former taxonomic insect group of long-horned beetles.

   Mr. William Wilson Saunders has kindly allowed me to figure the curious horned flies; and to Mr. Pascoe I am indebted for a loan of two of the very rare Longicorns which appear in the plate of Bornean beetles.

   1869, Alfred Russel Wallace, The Malay Archipelago, volume I, London: Macmillan and Co., page xiii

   1 more example

   In the recently published volumes on the Longicorn and Malacoderm beetles of Central America^([108]) there are numbers of beautifully coloured figures of the new species; and on looking over them we are struck by the curious resemblance of some of the Longicorns to species of the Malacoderm group.

   1889, Alfred Russel Wallace, Darwinism, page 222

2. datedstill found in many vernacular namesSynonym of longhorn beetle.

   Synonyms: longhorn beetle