Latileon Machado, 2020

Machado, Renato Jose Pires & Oswald, John David, 2020, Morphological phylogeny and taxonomic revision of the former antlion subtribe Periclystina (Neuroptera: Myrmeleontidae: Dendroleontinae), Zootaxa 4796 (1), pp. 1-322 : 65

Latileon Machado , new genus

http://zoobank.org/NomenclaturalActs/ FBB3F0F0-7354-4D6A-9FFF-18DA53BBDEF4

Type species. Latileon setosus sp. nov., by present designation. Nomenclatural gender: masculine.

Diagnosis. Profemur swollen, wider than tibia; protibial spurs arched and reaching apex of T4; tibial spurs of same length on all legs; female ventromedial plate absent.

Description. Head: Vertex not strongly raised. Antennae clubbed and elongate; flagellomeres almost as long as wide at base, apical ones much wider than long. Palpimacula opening oval-shaped, located medially. Thorax: Pronotum slightly wider than long; covered with long setae; Miller’s organ absent. Wings: fairly broad, with tip acute; Banksian lines absent. Forewing CuA fork located between RP origin and first fork; three presectoral crossveins; some distal subcostal veinlets forked. Hind wing MP fork located between RP origin and first fork; one or two presectoral crossvein. Male pilula axillaris present. Legs: Proleg short and stout, especially the swollen femur, broader than remaining leg segments; tibia slightly longer than tarsi; tibial spurs arched and reaching T4 apex; sense hair as long as femur. Tibial spurs with same length in all legs. T5 about as long as T1–T4 combined. Pretarsal claws shorter than T5 length. Male Terminalia: Ectoproct posterior margin rounded; gonarcus simple, thin, and arched; mediuncus membranous. Female Terminalia: Ectoproct and lateral gonapophyses set with cavisetae; posterior gonapophyses without cavisetae; anterior gonapophyses absent; 9 th tergite without membranous digitiform process; ventromedial plate absent; pregenital plate small.

Distribution ( Fig. 19 ). Australia: NT, WA. Known from sparse records in northern Northern Territory and western Western Australia.

Included species (2 spp.). Latileon hyalinus sp. nov., L. setosus sp. nov.

Biology. Unknown.

Etymology. Lati - (from Latin latus, broad or wide) + - leon (from Greek leon, lion; a traditional antlion genusgroup name ending), in reference to the broad profemur found in both included species.

Comments. Despite the similarities shared by the species of Latileon and Fusoleon they were here recovered in separate clades, justifying the description of this new genus. The results presented here corroborate those of Machado et al. (2019), who also placed the species belonging to these two genera in two different clades ( Fusoleon sp. in Machado et al. (2019) = Latileon setosus ).

Figures

FIGURE 19. Distribution of Franzenia, Fusoleon and Latileon species.