Xacoxoxotlani chiapensis, Ferreira, 2024

Ferreira, Vinicius S., 2024, Description of a second genus of Chespiritoinae (Coleoptera, Lampyridae), with updates on the subfamily diagnosis and key to species and genera, Revista Brasileira de Entomologia (e 20240075) 68 (4), pp. 1-7 : 6

publication ID	https://doi.org/10.1590/1806-9665-RBENT-2024-0075
persistent identifier	https://treatment.plazi.org/id/993B8783-8349-9076-FFD3-04DBFB26FB2F
treatment provided by	Felipe
scientific name	Xacoxoxotlani chiapensis
status	sp. nov.

Treatment

Xacoxoxotlani chiapensis new species urn:lsid:zoobank.org:act:8656EFA8-85A7-4474-9FCB-3C82D302AC05

Type material (1). Holotype. 1 male: Mexico: Chiapas; Jitotol de Zaragoza ; 30 June 1991; JCBurne & DB Thomas ( FSCA).

Etymology. In allusion to the locality of the holotype, in Chiapas.

Description and diagnosis. The diagnosis and description of Xacoxoxotlani chiapensis is coextensive with the generic description and diagnosis.

Distribution. Jitotol de Zaragoza, Chiapas, Mexico, in the Mexican transition zone at Chiapas Highlands province (sensu Morrone et al., 2022) ( Fig. 5 View Figure 5 ).

An updated key to the male genera and species of Chespiritoinae (modified from Ferreira et al., 2022)

1. Antennomeres IV–XI subserrate, dorsoventrally flattened, terminal antennomere distally notched ( Fig. 2A View Figure 2 ); pronotum triangular shaped ( Fig. 2B View Figure 2 ) ....................... Xacoxoxotlani chiapensis new genus and species

1’. Antennomeres IV–XI filiform, round when viewed in cross-section; pronotum rectangular, anterior margins round, posterior margins slightly bisinuate... Chespirito Ferreira, Keller & Branham ( Fig. 1 View Figure 1 ) ......... 2

2. Pronotum with disc yellow, median longitudinal carina absent ........ Chespirito ballantyneae Ferreira, Keller & Branham, 2020 ( Fig.1A View Figure 1 )

2’. Pronotum completely dark brown, strong median longitudinal carina present ................................................................................................. 3

3. Ventrite 8 entire, apically acuminate or round ........................... 4

3’. Ventrite 8 apically notched and bifurcated ..................................... 6

4. Apical three abdominal ventrites dark brown ................................... ................................ Chespirito lloydi Ferreira, Keller & Branham,2020 ( Fig.1D View Figure 1 )

4’. Apical three abdominal ventrites yellow ...................................... 5

5. Apex of last visible tergite distinctly notched medially............. .............................. Chespirito milleri Ferreira, Keller & Ivie, 2022 ( Fig. 1E View Figure 1 )

5’. Apex of last visible tergite round ........................... Chespirito costae Ferreira, Keller & Ivie, 2022 ( Fig. 1B View Figure 1 )

6. Pronotum strongly constricted medially;elytra strongly dehiscent; antennae moderately long, surpassing elytral basal third when extended posteriorly ...................................................................... Chespirito zaragozai Ferreira, Keller & Branham, 2020 ( Fig. 1F View Figure 1 )

6’. Pronotum weakly constricted medially ( Fig. 1A View Figure 1 ); elytra not dehiscent ( Fig. 1A View Figure 1 ); antennae short and stubby, barely surpassing humeral region when extending posteriorly ......................... Chespirito hintoni Ferreira, Keller & Ivie, 2022 ( Fig. 1C View Figure 1 )