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Abelocephala major

Abelocephala major

Japan
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Status
Not Evaluated

IUCN conservation assessment category

Habitat
Various biomes

Primary ecological niche & biome

Diet
Omnivorous

Dietary type and primary food source

Activity
Diurnal

Diurnal, nocturnal, or active patterns

Scientific Summary

GBIF Taxonomic Backbone & Wikipedia Registry Profile

Description. Male (macropterous). Body (Fig. 49) mostly brownish. Antennae and legs yellowish brown. Antennal flagella pale yellow. Rostrum and tibiae brownish yellow. Posterior pronotal lobe yellowish brown except for median longitudinal sulcus brown. Hemelytra dark brown except for extreme base and corial veins brownish yellow. Abdomen brownish yellow. Head (Figs. 49, 61, 62, 74) approximately 1.5 times longer than width across eyes, as long as pronotum, roundly protuberant immediately behind eyes in dorsal view; anteoculus 1.2 times longer than postoculus; mandibular plate (Fig. 62) nearly right-angled at anterior corner and weakly projected anteriorly in dorsal view. Eye (Figs. 59, 74) approximately 0.35 times as wide as interocular space in dorsal view. Antennal segment I slender, approximately 7 times longer than its maximum width, slightly shorter than segment II (Figs. 105, 106); flagellum as long as segment I (Fig. 107). Rostral segment I slender, 2.3 times longer than segment II (Fig. 74). Pronotum (Fig. 49) approximately 0.7 times as long as humeral width; anterior lobe 0.6 times as long as posterior lobe along midline, 0.7 times as wide as humeral width. Hemelytron (Figs. 49, 118) wide, twice as long as its maximum width, exceeding apex of abdomen by approximately 0.2 times of its length; outer (larger) cell of membrane (Fig. 118) rounded apically. Pygophore (Fig. 124) ovoid in lateral view; posterior process (Fig. 130) wide, with weakly curved apical margin in dorsal view. Parameres (Fig. 136) gently curved at apical two-thirds, with rounded, weakly projected apex in dorsal view. Struts of phallus (Fig. 142) tapering apicad, weakly constricted at apical one-third, rounded at apex, with lateral walls thickened throughout in dorsal view. Female (macropterous). Almost same as male in general habitus (Fig. 50). Anteoculus (Figs. 69, 80) as long as postoculus. Eye (Figs. 69, 80) approximately 0.3 times as wide as interocular space in dorsal view. Antennal segment I stouter than that of male, approximately 5.5 times longer than its maximum width, 0.9 times as long as segment II (Figs. 108, 109); flagellum 1.2 times longer than segment I (Fig. 110). Rostral segment I slender, 2.1 times longer than segment II (Fig. 80). Abdominal tergite IX (Fig. 148) with lateral projection at each basal angle; lateral projection short and wide, abruptly narrowed in apical part, obtuse at apex. Valvifer I (Fig. 153) oblong; valvula I (Fig. 153) with 8 setae. Measurements [in mm, ♂ (n = 2) / ♀ (n = 1), holotype in parentheses]. Body length 5.33 – 5.77 / 5.17 (5.77). Head length 1.14 – 1.16 / 1.12 (1.14), width across eyes 0.82 – 0.83 / 0.78 (0.82). Lengths of antennal segments I and II 1.00 – 1.14 / 0.98 (1.00) and 1.00 – 1.17 / 1.02 (1.00), respectively. Lengths of rostral segments I and II 0.98 – 1.00 / 0.91 (1.00) and 0.43 – 0.44 / 0.43 (0.44), respectively. Pronotum length 1.13 – 1.18 / 1.12 (1.13), width across humeri 1.66 – 1.68 / 1.55 (1.68). Hemelytron length 4.35 – 4.43 / 4.38 (4.35). Lengths of femur and tibia of fore leg 1.42 – 1.48 / 1.33 (1.42) and 1.46 – 1.52 / 1.37 (1.46); of mid leg 1.43 – 1.47 / 1.30 (1.43) and 1.46 – 1.49 / 1.35 (1.46); of hind leg 1.90 – 2.01 / 1.84 (1.90) and 1.96 – 2.04 / 1.84 (1.96). Abdomen length 2.74 – 3.18 / 2.84 (3.18), maximum width 2.50 – 2.57 / 2.54 (2.57).
Biology & Conservation

Scientific field studies are ongoing to establish comprehensive biological records for this species, including precise wild population estimates, dietary distributions, typical lifespans, and specific daily activity patterns. Taxonomic details have been successfully categorized under the Global Biodiversity Information Facility (GBIF) backbone index, and deeper environmental analysis is active to catalog its behavior and conservation profile within its native biomes.

Energy & Activity Profile
Habitat & Adaptation Index
Quick Facts
Native RangeJapan
Habitat RangeGlobal
Lifespan
StatusData Deficient
ScientificAbelocephala major
Registry Info
LifespanUnknown
KingdomAnimalia
FamilyReduviidae