Guilielmia monticola Weise, 1924

D’Alessandro, Paola, 2017, Guilielmia Weise, a little known Afrotropical flea beetle genus: systematic affinities and description of a second new species from Central Africa (Coleoptera, Chrysomelidae, Galerucinae, Alticini), Zootaxa 4323 (4), pp. 572-578 : 576-577

publication ID

https://doi.org/ 10.11646/zootaxa.4323.4.9

publication LSID

lsid:zoobank.org:pub:13D63836-1022-47A1-Bf67-26Eaa3D5F18D

DOI

https://doi.org/10.5281/zenodo.6033211

persistent identifier

https://treatment.plazi.org/id/0B7387AD-FF96-960B-DBF3-9DB0FBFEFD82

treatment provided by

Plazi

scientific name

Guilielmia monticola Weise
status

 

Guilielmia monticola Weise

( Figs 2 View FIGURES 1 – 2 , 4, 6–7, 9 View FIGURES 3 – 9. 3 )

Guilielmia monticola Weise, 1924: 24 ; Biondi & D’Alessandro, 2012: 86, Fig. 46.

Types examined. Type ♀: UGANDA-RWANDA-DEMOCRATIC REPUBLIC OF CONGO, “ Birunga, Mount Mukeno [= Volcan Mikeno : 01°27'47''S, 29°25'06''E], 3100 m ” ( NHRS) GoogleMaps .

Additional material examined. UGANDA-RWANDA-DEMOCRATIC REPUBLIC OF CONGO: Volcan Karisimbi [01°30'29''S, 29°27'00''E], Rukumi , 3500–3700 m, 9–18.Vii.1970, “prairie, Fauchage ”, R.P.M. Lejeune leg., 1 ♂ ( RMCA) GoogleMaps ; ditto, Forêt de Hagenia , 3300–3500 m, 23.vii–1.viii.1970, “humus”, 1 ♂ ( RMCA) GoogleMaps .

Taxonomic remarks. We attributed the two males aboVe to Guilielmia monticola for the presence of a weak antebasal transVerse pronotal depression (reported by Weise (1924) in the original description of the species), Visible in lateral View, and the close proximity of the collecting localities to that of the holotype. Median lobe of aedeagus ( Fig. 9 View FIGURES 3 – 9. 3 ) slightly fusiform laterally in Ventral View, apically obtuse, with a short rounded median tooth; slightly and regularly curVed in lateral View, with a Ventrally bent apex; dorsal ligula extending for about half the length of aedeagus, and formed by one main central sclerified lobe narrowing apically, and two lateral lobes elongate apically. The only known female of G. monticola , the holotype, is a Very immature female, so its spermatheca is undetectable (cf. Biondi & D’Alessandro 2012, Fig. 46).

Biometry. Male (n = 2): LE = 2.01, 2.05 mm; WE = 1.58, 1.63 mm; LP = 0.74, 0.76 mm; WP = 1.11, 1.18 mm; LAN = 1.78, 1.85 mm; LAED = 1.18, 1.21 mm; LB = 2.73, 2.88 mm; LE/LP = 2.73, 2.69; WE/WP = 1.42, 1.38; WP/LP = 1.51, 1.54; WE/LE = 0.78, 0.79; LAN /LB = 0.65, 0.64; LE/ LAED = 1.71, 1.69.

Distribution. Mountain area (Birunga, Volcan Mikeno and Volcan Karisimbi) between Uganda, Rwanda and Democratic Republic of Congo (KiVu Sud). Chorotype: Central Afrotropical (CAT).

NHRS

Swedish Museum of Natural History, Entomology Collections

RMCA

Royal Museum for Central Africa

LAN

Lancing College

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Chrysomelidae

Genus

Guilielmia

Loc

Guilielmia monticola Weise

D’Alessandro, Paola 2017
2017
Loc

Guilielmia monticola

Weise 1924: 24
1924
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