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?]
Licence: In copyright
Credit: Insects of Samoa and other Samaon terrestrial arthropoda. Pt. 6, Fasc. 2, Nematocera / by F.W. Edwards. Source: Wellcome Collection.
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![MvMAT(h'Ki;a. i',b 1!;; Ix'lieved to l)e tho onlv' insc'ct which is siiliiiiiiiiik^ in the adult stai2;('.^' I he inah' is an active swininuM’, with |)ecnliaily inodiru'd winys and leys, and Inny hart' antennae ; the leinalt' is wonn-lihe and coniiilcti'ly devoid ol a|)|K'nda,yes except till' jiostei'ior leys, which are vi'stiyial. 'I'hi' h'liiah' pupa was discovei'cd, and its structure ])i‘ovt's that roii/oinnKi is closi'ly ri'lati'd to 'I (nii/larsus ; it is lielieved that in sjiite of its jiroloimd inoditications it may be a reci'iit develo])- inent IVoin the 7\ )ii(irifiinNs yrouj). d'he sexes beiiiy so extremely iinlikt', their association as male and leniale of one sjiecies is a matter of supposition only, until sjiecimens are obtained lu copula, or until both sexes can be reared or dissected Irom jmjiae. Meanwhile the 8U])j)osition ajijiears jiistitied, because the two sexes were obtained at the same time and jilace, and because the deyenerate lemale would a])pear to ref[iiire Some such modifications of structure in the male as are toimd in the insect described. It must be pointed out, however, that the pujia ol the male Pou- toiaifia has not yet been obtained, and there is therefore a |)()ssibility that the female of P. )a(ta)ts is other than the one described, and that the male which belongs to this female is a more or less normal Taiiptursus. 58. Chironomus melanocnemis, sp. n. Text-liy. !). O Head dark brown, including antennae and jialjii. No frontal tubercles. Eyes separated by the width of 5 or 6 facets. Antennae with G segments of the usual form, second segment constricted in the middle. Thorax shining dark brown ; mesonotiim with three separate shining black stripes ; jileural mem¬ brane heavily dusted with silvery-grey, rronotum distinct, collar-like, reaching front margin of scutum, but just divided in middle. Abdomca dark brown. Lcf/s : Front femora yellow with black tips; tibiae entirely black and rather thick ; tarsi black, with outer two-thirds of first segment white. iMiddle femora and tibiae yellow ; tarsi black, first segment with basal third yellowish and a]>ical third white. Hind femora and tibiae yellow with tips darkened ; tarsi lilack, tii’st segment white exce])t narrowly at base and tip. All coxae ant! trochanters yellow. First front tarsal segment about 1-4 times as long as tibia. Combs of posterior tibiae normal, each with a short sjnir ; jiulvilli distinct. 11 iap.s hyaline, veins all dai'k ; a large black jiatch occujiies nearly the basal * Exccj)t flic bug A(jMijtltihis boiiiKihii Sign, {ride ('liina, EiiL Mo. Mot/., Ixiii, ji]). ’JoS-^tl, ]!l27).](https://iiif.wellcomecollection.org/image/b29809071_0045.jp2/full/800%2C/0/default.jpg)
