Monoctenus kondoi Hara, 2023
publication ID |
https://doi.org/ 10.11646/zootaxa.5380.6.3 |
publication LSID |
lsid:zoobank.org:pub:AA915DFA-58B9-428D-AF5D-193E3295AB04 |
DOI |
https://doi.org/10.5281/zenodo.10259705 |
persistent identifier |
https://treatment.plazi.org/id/03B38786-FF9F-CD53-FF21-F8CEFBD4558A |
treatment provided by |
Plazi |
scientific name |
Monoctenus kondoi Hara |
status |
sp. nov. |
Monoctenus kondoi Hara , sp. nov.
( Figs 1A View FIGURE 1 , 3A View FIGURE 3 1, B1, C1 View FIGURE 1 , 17 View FIGURE 17 )
Description. Female (holotype). Length 5.5 mm. Black ( Fig. 17A, B View FIGURE 17 ). Mandible red brown apically. Palpi yellow, basally darkened. Pronotum posterodorsally widely yellow ( Fig. 3B View FIGURE 3 1 View FIGURE 1 ). Tegula yellow brown, medially darkened. Legs brown yellow on narrow apices of coxae, trochanters and trochantelli, yellow on apices of femora, tibiae and tarsi ( Fig. 17B View FIGURE 17 ); tarsi apically brown. Wings clear transparent, very slightly brownish ( Fig. 17A View FIGURE 17 ); veins dark brown, partly pale brown; stigma brown, apically widely pale brown. Abdomen laterally yellow from posterior part of laterotergite 3 to anterior part of laterotergite 8 ( Fig. 17B View FIGURE 17 ). Body surface mostly shiny and smooth; punctures indistinct or minute.
Clypeus with median furrow dorsally; ventral edge concave medially. Antenna with 19 antennomeres ( Fig. 17E View FIGURE 17 ); flagellar serration relatively deep; flagellomere 6 in lateral view with breadth including serration 1.3 × dorsal length. (Ovipositor sheath and basal part of lance missing.) Lancet with 9 annuli and apex rounded ( Fig. 17G View FIGURE 17 ); length from ventral end of ctenidium 1 to apex 3.2 × breadth; ctenidia 1 and 2 almost parallel; ctenidia 2–6 inclined anteriorly.
Male. Length 6.0 mm. As in female except for usual sexual differences ( Fig. 17C, D View FIGURE 17 ). Pronotum posterodorsally very narrowly yellow. Tegula black. Coxae, trochanters and trochantelli black. Antenna with 26 rami and 29 antennomeres. Subgenital plate in ventral view truncate apically. Penis valve Fig. 17H, I View FIGURE 17 (valvula broken); paravalva with ventral edge nearly straight; inner sclerite broadest near middle; valviceps 2.5 × as long as broad.
Material examined. Holotype ( Figs 3A View FIGURE 3 1, B1, C1 View FIGURE 1 , 17A, B, E–G View FIGURE 17 ): ♀, labelled “[Kurashiki, Tsurajima-yama, V.25.1973 Nezu-no-you, IV. 15. 1974 Uka](in Japanese), col. T. Kondô (M.M)” (“Nezu-no-you” meaning larva on Juniperus rigida ; “Uka” meaning emerging) . Paratype: 1♂, same label as holotype ( Figs 1A View FIGURE 1 , 17C, D, H, I View FIGURE 17 ).
Etymology. The adjective specific epithet is derived from the collector.
Distribution. Japan (Honshu).
Host plant. Cupressaceae : Juniperus rigida Siebold et Zucc.
Remarks. Monoctenus kondoi is very similar to M. juniperi in coloration, but differs from it in having a female antenna with 19 antennomeres ( Fig. 17E View FIGURE 17 ), a female pronotum widely yellow posterodorsally ( Fig. 3B View FIGURE 3 1 View FIGURE 1 ), female trochanters and trochantelli yellow ( Fig. 17B View FIGURE 17 ), a lancet broad and with 9 annuli and a rounded apex ( Fig. 17G View FIGURE 17 ), and a male antenna with 26 rami. Monoctenus juniperi has a female pronotum at most narrowly dark brown posterodorsally, female trochanters and trochantelli black, a female antenna with16–18 antennomeres ( Fig. 18A View FIGURE 18 ), a lancet slender and with 10 annuli and an acute apex ( Fig. 18C, D View FIGURE 18 ), and a male antenna with 17–21 rami and 20–24 antennomeres ( Enslin 1917, Gussakovskij 1947, Viitasaari & Varama 1987, Zhelokhovtsev & Zinovjev 1988, Mol & Aarsten 1994, our material).
Monoctenus kondoi is also similar to M. nipponicus and M. obscuratus . This species differs from M. nipponicus as follows, in addition to the differences mentioned in the key: A flagellomere 6 in the lateral view has the breadth including serration 1.3 × the dorsal length in the former, but 1.5–1.8 × in the latter; a lancet has 9 annuli in the former but 10 annuli in the latter. However, their males are indistinguishable. The species of male specimens were inferred from female specimens collected at the same locality on the same day. Monoctenus kondoi is distinguished from M. obscuratus as follows: The former female has a widely yellow pronotum ( Fig. 3B View FIGURE 3 1 View FIGURE 1 ) and yellow abdominal laterotergites ( Figs 3A View FIGURE 3 1 View FIGURE 1 ), but the latter female has a almost entirely black pronotum and black abdominal laterotergites ( Figs 3A View FIGURE 3 2 View FIGURE 2 ). The number of male antennal rami is 26 in M. kondoi but 22–24 in M. obscuratus . The valviceps of a penis valve has the length 2.5 × the breadth in M. kondoi ( Fig. 17H, I View FIGURE 17 ) but 2.9–3.5 × in M. obscuratus .
This species is easily separated from other species of Monoctenus by the coloration (compare with the descriptions of other species of the genus by Norton 1872, Cresson 1880, Marlatt 1888, Gussakovskij 1947, Smith 1975, Smith et al. 2010, De Lira-Ramos et al. 2022, Japoshvili & Haris 2022, this study).
V |
Royal British Columbia Museum - Herbarium |
T |
Tavera, Department of Geology and Geophysics |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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