Dendroleon Brauer, 1866

Zheng, Yuchen, Hayashi, Fumio & Liu, Xingyue, 2022, Taxonomic notes on the antlion genus Dendroleon Brauer, 1866 (Neuroptera, Myrmeleontidae, Dendroleontinae) from China, with description of a new species and a newly recorded species, Zootaxa 5099 (3), pp. 344-354 : 345

Dendroleon Brauer, 1866

Dendroleon Brauer, 1866: 42 . Type species: Myrmeleon pantherinus Fabricius, 1787 , subsequent designation by Hagen, 1873: 394.

Borbon Navás, 1914: 111. Type species: Borbon regius Navás, 1914 , by original designation and monotypy.

Neglurus Navás, 1912: 171. Type species: Neglurus vitripennis Navás, 1912 , by original designation and monotypy.

Pantherleon Yang, 1986: 431 . Type species: Pantheroleon longicruris Yang, 1986 , by original designation and monotypy.

Diagnosis. Adult: Medium sized antlions. Body generally brown and yellowish brown, with dark brown and black markings. Pronotum longer than wide, with many long setae. Legs long and slender; tibial spurs barely curved, at least reaching tip of tarsomere 2; pretarsal claws slightly curved, protruded basally. Wings long, distally rounded, with distinct marking patterns, anterior Banksian line present. Forewing nearly as long as hindwing. Forewing RP origin well proximad MP fork, with about six crossveins between origins of RP and MA in sectorial area. Hindwing usually with a large spot proximad pterostigma; male pilula axillaris present. Abdomen shorter than hindwing. Male gonocoxites 9 plate-like; gonocoxites 11 arched. Female gonocoxites 8 divided into tubercular anterior and long digitiform posterior branch of gonocoxites 8. 3rd instar larva: Anterior margin of the clypeo-labrum slightly concaved; mandibles upturned, equipped with three pairs equidistant teeth; mesothoracic and abdominal spiracles not prominent; thoracic setiferous processes pedunculated; a metathoracic tuft of setae present in some species; abdominal sternum 8 without odontoid processes; abdominal sternum 9 longer than wide, triangular; rastra or fossoria weakly developed.

Biology. The larvae are ambush hunters, usually inhabiting the tree holes and the rock walls, covering themselves with debris for camouflage.

Distribution. Asia ( China, India, Indonesia, Japan, Malaysia, Mongolia, Russian Far-East, Vietnam); Europe ( Austria, Azerbaijan, Bulgaria, Croatia, Czech Republic, Finland, France, Georgia, Germany, Hungary, Italy, Malta, Poland, Romania, Russian Caucasus, Slovakia, Slovenia, Switzerland, Turkey, Ukraine); North America ( Canada, Mexico, the United States); Oceania ( Australia, Papua New Guinea) ( Oswald 2021).