Dissochaetus portoricensis Hatch 1933

Peck, Stewart B. & Cook, Joyce, 2014, A review of the small carrion beetles and the round fungus beetles of the West Indies (Coleoptera: Leiodidae), with descriptions of two new genera and 61 new species., Insecta Mundi 2014 (397), pp. 1-76 : 11

publication ID

https://doi.org/ 10.5281/zenodo.5184089

publication LSID

lsid:zoobank.org:pub:84BA7373-8A5C-4E98-B132-8DDC2607CD48

DOI

https://doi.org/10.5281/zenodo.5192176

persistent identifier

https://treatment.plazi.org/id/D71E87FC-FFEA-FFC9-FF10-FBACFC97562D

treatment provided by

Felipe

scientific name

Dissochaetus portoricensis Hatch 1933
status

 

Dissochaetus portoricensis Hatch 1933 View in CoL

Figures 19, 20 View Figures 12–24

Dissochaetus portoricensis Hatch 1933: 199 View in CoL ; Jeannel 1936: 154; Peck 1970: 237. Holotype female in USNM, seen. Type locality: El Yunque, Puerto Rico.

Diagnosis. Total length 2.1–2.8 mm. Dark brown; mouthparts, apex of antennomere XI, and tarsi paler. Pubescence reddish yellow. Head finely, densely punctate. Antennae when laid back reaching base of pronotum; antennomeres VI–X transverse. Eyes large. Pronotum granulate, transverse, widest at basal two-fifths; sides rounded, posterior angles obtuse. Elytral sides evenly rounded, apices separately evenly rounded. Fully winged. Large metatibial spur about as long as first metatarsal segment. Male first protarsomere about as wide as protibial apex. Median lobe of aedeagus ( Fig. 20 View Figures 12–24 ) elongate, evenly narrowing to rounded apex. Parameres ( Fig. 20 View Figures 12–24 ) narrow, nearly straight, reaching beyond apex of median lobe; each paramere bearing two apical setae. Inverted internal sac ( Fig. 20 View Figures 12–24 ) with pair of distinctive diagonal sclerites. Male genital segment ( Fig. 19 View Figures 12–24 ) longer than wide; apices of sternite lobes narrow, short and rounded.

Distribution. Known only from Puerto Rico. Previously known localities, from Hatch (1933), Peck (1970, 1978) are: Puerto Rico. Luquillo Experimental Forest, including El Yunque. Toro Negro Forest, Cerro Dona Juana. 15 mi S. San Juan, Aguas Buenas, Aguas Buenas caves.

New records. None.

Remarks. The species is known from baited pit traps in forests from 600 to around 1000 m elevation. We have seen more specimens from lower elevations.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Leiodidae

Genus

Dissochaetus

Loc

Dissochaetus portoricensis Hatch 1933

Peck, Stewart B. & Cook, Joyce 2014
2014
Loc

Dissochaetus portoricensis

Peck, S. B. 1970: 237
Jeannel, R. 1936: 154
Hatch, M. H. 1933: 199
1933
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