Insects of Samoa and other Samaon terrestrial arthropoda. Pt. 6, Fasc. 2, Nematocera / by F.W. Edwards.

  • Edwards, F. W. (Frederick Wallace), 1888-1940.
Date:
[1928?]
Catalogue details

Licence: In copyright

Credit: Insects of Samoa and other Samaon terrestrial arthropoda. Pt. 6, Fasc. 2, Nematocera / by F.W. Edwards. Source: Wellcome Collection.

    33/84 page 53
    NK.MAT()(’KI{A. hlacUisli, hvj)()])y^iiiin lijj;hl('i', ninlli (('I’niti* soMK'wliat fliauvular, with rouiKh’d tip. imifornilv li^iit hi'owiiisli. II hyaline, aiitc'iior veins not veiy (lark ; no inaerotiiehia in (mIIkm' sex. Secdiui radial e(“ll in y very narrow, hut as usual lonii'er than in q. ('osta in both sexes endinii; al)o\’e a point a little beyond ludl’-way between branehes ol eid)ital fork. St(Mn of median lork about as long as r-in. Cux seareely eurved down at tij). Ch/o v(‘ry oi)li(pie. Anal angle very obtuse. Ilalt('res yellow. Wing-length 1-3 mm. Savaii : Safune, I’ain forest al)ove 2,000 ft., 2 I $, S.v.ll)2t (Bryan). In venation this sjiecies aypi'oaches Lasioltclea, but is better ])laeed in AtrichopcHfon on account of the entire absence macrotrichia from the wing- membrane, sevei'al other s})eeies of AtrichojKUjon being similar in this r(!spect. 40. Atnchopogon atroscutellatus, sp. n. $. Head blackish, including appendages. Eyes touching and very finely pubescent all over. First eight flagellar segments each a little ])roader than long, last five each about three times as long as broad. Proboscis only about half as long as height of head. Palpi with the second segment moderately swollen. Thorax black ; scutum rather brightly shining; scutellum, post- notum, and a small area of scutum in front of scutellum velvety black ; pleurae dull. Four scutellar bristles. Abdomen brown ; sixth segment apparently without ventral appendage. Legs entirely brownish-yellow. ITdayi' hyaline, anterior veins dark brown. Costa ending a little beyond level of tij) of Chii, which IS rather sharply curved down. Cu^ oblicjue. About a dozen macrotrichia in tip of cell 74, nnd about half a dozen in tij) of cell il/i. Stem of median fork short. Halteres orange. Wing-length 0-85 mm. Savaii: Safune, rain forest about 2,000 ft., 1 $ (Bryan). 41. Dasyhelea radialis, sp. n. Head blackish, face not obviously jDaler. Antennae of with seg¬ ments 11-13 binodose as usual; 11, 12 and 14 subequal in length, 13 rather shorter ; 14 without well-marked stylet, although its tip is somewhat narrowed ; surface reticulated and jwovided with numerous minute scales, as figured by Carter. Ingram and Mache {Ann. Trap. Med., xv, ]>. 180, 1021) foi‘ 1). ineonsj)i- Ciiosa. Antennae of $ with segment.^ 2 i) giobulai’ to shortly oval, not obviously
    No text description is available for this image
    No text description is available for this image
    No text description is available for this image