Diplatys sahyadriensis Karthik, Kamimura & Kalleshwaraswamy, 2022
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publication ID |
https://dx.doi.org/10.3897/zookeys.1088.79416 |
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publication LSID |
lsid:zoobank.org:pub:1EF0AEF0-177D-44AE-8BCF-0D1F41EDAC50 |
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persistent identifier |
https://treatment.plazi.org/id/3E7D2B09-09B4-437B-93B1-280FEBD35207 |
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taxon LSID |
lsid:zoobank.org:act:3E7D2B09-09B4-437B-93B1-280FEBD35207 |
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treatment provided by |
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scientific name |
Diplatys sahyadriensis Karthik, Kamimura & Kalleshwaraswamy |
| status |
sp. nov. |
Diplatys sahyadriensis Karthik, Kamimura & Kalleshwaraswamy sp. nov.
Figs 1 View Figure 1 , 2 View Figure 2
Material examined.
Holotype (♂), India: Karnataka, Hosanagara-Shivamogga Road, Galigekola , 13°59'52.854"N, 75°22'42.576"E, 6.xi.2020, C.M. Karthik leg., ex. sugarcane. GoogleMaps
Diagnosis.
Male has simple forceps, and is easily discriminated from that of other Diplatys species by the unique morphology of the virga: paired portion with developed flanges and a whip-like process at each tip. Flanged virgae have been reported in this genus only for D. jawalagiriensis Kapoor, Bharadwaj & Banerjee, 1971. However, almost no unpaired part is present at the base of each virga in D. jawalagiriensis , with no associated large sclerites in the penis lobe (vs short but conspicuous unpaired part and characteristic associated sclerites are present in D. sahyadriensis sp. nov.).
Description.
Male (holotype: Figs 1 View Figure 1 , 2 View Figure 2 ). Measurements of body parts are shown in Table 2 View Table 2 . Body generally dark brown. 2nd antennal segment and beyond light brown. Coxa, trochanter, basal third of femur, distal half of tibia, tarsi, base of tegmina, wings (excluding fustis), lateral and posterior margins of pronotum, and base of forceps whitish brown (Fig. 1a-f View Figure 1 ). Abdomen and forceps densely pubescent (Fig. 1a, f View Figure 1 ).
Head (Fig. 1a View Figure 1 ) slightly wider than long, widest in eye region; frons tumid but weakly depressed at apex; occiput strongly and widely depressed; transverse and median sutures visible but not conspicuous; posterior margin strongly emarginated in middle. Eyes prominent, distinctly longer than the post-ocular length. Antennae (Fig. 1a, d View Figure 1 ) 17 segments or more (in holotype 15 left segments and 17 right segments remain), 1st expanded apically, slightly shorter than the combined length of 2nd to 4th; 2nd minute, shorter than width; 3rd long and slender; 4th slightly shorter than 3rd; 5th onwards segments gradually increasing in length and thinning up to 13th and 14th. Pronotum (Fig. 1b View Figure 1 ) longer than broad, narrowed posteriorly, anteriorly convex, sides almost straight, hind margin subrotundate, median sulcus distinct, prozona tumid and well differentiated from flat metazona. Tegmina (Fig. 1b View Figure 1 ) well developed, humeral angles weak, costal margin straight, posterior margin obliquely convex, axillary angles weak, showing a broad triangular scutellum. Wings (Fig. 1b View Figure 1 ) well developed.
Prosternum (Fig. 1c View Figure 1 ) elongate, with a constriction at the point of attachment of forelegs. Mesosternum (Fig. 1c View Figure 1 ) broader than prosternum, more or less rounded, deeply constricted at the point of attachment of the midlegs, truncated posteriorly. Metasternum (Fig. 1c View Figure 1 ) hexagonal, constricted at point of attachment of hindlegs, emarginate posteriorly.
Abdomen (Fig. 1a View Figure 1 ) long, cylindrical, greatly enlarging from 7th tergite onwards. Penultimate sternite (Figs 1f View Figure 1 , 2a View Figure 2 ), relatively long, posterior margin weakly emarginated at middle. Ultimate tergite (Fig. 1a View Figure 1 ) transverse with two small, bifid, undulate depressions. Forceps (Fig. 1a, f View Figure 1 ) about as long as the ultimate tergite, trigonal with ridge only present in basal two-thirds, branches tapering apically with pointed tip and without curving.
Parameres (= external parameres; Figs 1g View Figure 1 , 2b View Figure 2 ) with an internal tooth at apical one-quarter and a small, deep concavity distal to it. Penis lobes (Figs 1g View Figure 1 , 2c View Figure 2 ) slightly shorter than the parameres, each with a denticulated sclerite (= outer denticulated sclerite; ods), two differently shaped, serrated sclerites (mid serrated sclerite [mss] and inner serrated sclerite [iss]), a disc-shaped sclerite (ds), and a bifurcated virga. Virga (Figs 1g View Figure 1 , 2c View Figure 2 ) with very short, unpaired part, and long paired part. Each branch of paired part convoluted, slender, but with well-developed flange, and tips widened with a whip-like distal process (wdp).
Female. Unknown.
Etymology.
The specific epithet Diplatys sahyadriensis refers to the type locality: the specimen was collected from the Sahyadri Ranges, which is a gateway to the Western Ghats of Karnataka.
Distribution.
Only known from Shivamogga, Karnataka, India.
Bioecology.
The male specimen (holotype) was collected from whorls of sugarcane Saccharum officinarum L. ( Angiospermae, Gramineae ). The collection site is in a mixed area of sugarcane and paddy fields. Faecal pellets were seen on the leaves of sugarcane, suggesting that specimen had been in that place for some time, possibly taking advantage of this shaded spot.
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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