SUBFAMILY HADENINAE
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Apamea sodalis tropica ssp.n.  
Xylophasia sodalis Butler, 1878, Ann. Mag. nat Hist. (5), 1: 83.
Apamea obliquiorbis Moore, 1882, Descr. new Indian lepid. Insects Colln.. Atkinson p.109.
Apamea sodalis Butler, Holloway, 1976 : 10.


Apamea sodalis tropica  


18-20mm. This race has forewings a much darker brown, less striate and contrasty than typical Himalayan sodalis but shares the feature of a swollen base to the uncus that bears a fan of fine hairs. The valve lacks the prominent lobe that extends ventrally from the cucullus neck to overlap the costal process at the angle; the harpe is less sinuous; the sacculus has the ventral margin less angular, the cornuti in the aedeagus vesica are smaller with the bases less extensively sclerotised.

The more extensive series from Luzon (cf. two from Borneo) is used to typify this taxon.

Holotype
. Haights Place, Panai, subprov. Benguet, LUZON, 7000ft, 1 December 1912 (A.E. Wileman) BM noctuid slide 14012.

Paratypes. 25 examples as holotype, various dates, slides 12902(), 12903()

Geographical range. N.E. Himalaya to Taiwan and Japan; Luzon, Borneo.

Habitat preference. The only two Bornean specimens were taken at 2600m on G. Kinabalu.

Biology. The larva is a grass feeder. Miyata (1983) gave Phalaris, Avena, Agropyron and Microstegium as hosts for the typical race in Japan.

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