DOI: 10.5281/zenodo.16911420
title: Table 2 in Montichneumon, a new genus of Ichneumoninae (Hymenoptera, Ichneumonidae) from the high mountains of Taiwan

description: Table 2 (continued on next page). Comparison of the diagnostic characters between Montichneumon gen. nov. and its morphologically similar genera. Abbreviation: OD = diameter of lateral ocelli.
Montichneumon gen. nov.Achaius Cameron, 1903Achaiusoides Tereshkin, 2011Diphyus Kriechbaumer, 1890Hepiopelmus Wesmeal, 1845Limerodops Heinrich, 1949Serratichneumon Riedel & Shen, 2023Tricholabus Thomson, 1894DistributionOrientalPalearctic, OrientalPalearcticPalearctic, Nearctic, Oriental, Neotropical, Afrotropical, OceanicPalearctic, OrientalPalearctic, NearcticOrientalPalearctic, Nearctic, Oriental, NeotropicalFemale flagellumBristle-shaped, thin, not widened mediallyBristle-shaped, thin, not widened mediallyBristle-shaped, moderately thick, slightly widened mediallyBristle-shaped, thin to moderately thick, slightly widened mediallyBristle-shaped, thin, slightly widened mediallyBristle-shaped, thin, slightly widened mediallyBristle-shaped, thin, slightly widened mediallyBristle-shaped, thin, slightly widened mediallyMale flagellumNormalNormalNormalNormalNormalNormalSerratedNormalWhite annuliAbsentPresentPresentPresentAbsentPresentPresentPresentTemplesLonger than ODLess than ODEqual to ODLonger than ODEqual to ODLonger than ODEqual to ODEqual to ODOccipital and hypostomal carinaMeeting above mandible baseMeeting above mandible baseMeeting above mandible baseMeeting above mandible baseMeeting above mandible baseMeeting above mandible baseMeeting above mandible baseMeeting at Mandible baseMalar spaceLonger than mandible baseEqual to mandible baseShorter than mandible baseShorter than mandible baseEqual to mandible baseShorter than mandible baseEqual to mandible baseEqual to mandible baseMandiblesBidentate, long, evenly narrowedBidentate, narrow, parallel-sidedBidentate, short, evenly narrowedBidentate, long, evenly narrowedBidentate, long, evenly narrowedBidentate, long, evenly narrowedBidentate, short, evenly narrowedBidentate, short, evenly narrowedMaxillary palpsEnlarged in 2nd segmentNot enlarged in 2nd segmentEnlarged in 2nd segmentNot enlarged in 2nd segmentNot enlarged in 2nd segmentNot enlarged in 2nd segmentNot enlarged in 2nd segmentNot enlarged in 2nd segmentScutellumFlat, without lateral carinaHighly elevated, without lateral carinaHighly elevated, without lateral carinaHighly elevated, without lateral carinaHighly elevated, without lateral carinaElevated, without lateral carinaElevated, without lateral carinaHighly elevated, without lateral carinaArea basalisWithout medial tubercleWithout medial tubercleWithout medial tubercleWithout medial tubercleWith medial tubercleWithout medial tubercleWith medial tubercleWithout medial tubercleArea superomediaPresent, elongatedPresent, elongatedPresent, transversePresent, square or rectangularPresent, square or rectangularPresent, square or rectangularAbsent or incompletePresent, elongatedApex of area dentiparaSmall teethSmall teethsBroad teethSmall teethSmall teethSmall teethWithout any projectionsSmall teethT1 postpetioleFlat and narrow, smooth and sparsely punctateElevated and broad, smooth and sparsely punctateElevated and narrow, smooth and sparsely punctateElevated and broad, striateElevated and broad, sparsely punctate with medial impressionElevated and broad, striateElevated and broad, coarsely punctate and carinateElevated and broad, sparsely punctateGastrocoelusLong and narrow, shallowly impressedSmall and shallowly impressedLong and shallowly impressedSmall or long and narrow, and shallowly impressedSmall and deeply impressedLong and narrow, deeply impressedShort and wide, deeplyShort and wide, deeplyThyridiumIndistinct, narrower than interval distanceIndistinct, narrower than interval distanceDistinct, equal to interval distanceAlmost absent to distinct, narrower than interval distanceDistinct, narrower than interval distanceAlmost absent or indistinctDistinct, wider than interval distanceDistinct, equal to interval distanceT2 sculpturesSparsely and minutely punctateMinutely punctate with longitudinal striaeDensely and minutely punctateDensely punctateDensely and minutely punctateLongitudinal striateDensely and coarsely punctateDensely punctateT2–T3 shapeDistinctly longer than wideEqual to or slightly longer than wideEqual to or slightly longer than wideEqual to or slightly longer than wideEqual to or slightly longer than wideDistinctly longer than wideEqual to or slightly longer than wideEqual to or slightly longer than wideT7 shapeNormalNormalNormalNormalNormalStrongly bent downward laterallyNormalNormalFemale S6Truncate in posterior marginTruncate in posterior marginTruncate in posterior marginTruncate in posterior marginTruncate in posterior marginPointed in posterior marginRounded in posterior marginPointed in posterior marginFemale metasomal sternitesS2–S3 unsclerotized with longitudinal foldS2–S3 unsclerotized with longitudinal foldS2–S3 unsclerotized with longitudinal foldOnly S2, or S2–S3 with longitudinal foldS2 completely or largely unsclerotized, S3–S4 unsclerotized with longitudinal foldS2–S4 completely sclerotized, or unsclerotized with longitudinal foldS2–S4 unsclerotized with longitudinal foldS2–S4 unsclerotized with longitudinal foldMale abdominal sternum 9Triangularly convex in apical marginTriangularly convex in apical marginUnknownTriangularly convex in apical marginTriangularly convex in apical marginTriangularly convex in apical marginrounded in apical marginConvex in apical margin with swelling
description: Published as part of Chen, Hsuan-Pu, Kikuchi, Namiki & Shiao, Shiuh-Feng, 2025, Montichneumon, a new genus of Ichneumoninae (Hymenoptera, Ichneumonidae) from the high mountains of Taiwan, pp. 8-9 in European Journal of Taxonomy 1007 on page 8, DOI: 10.5852/ejt.2025.1007.2997, http://zenodo.org/record/16883268