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.
42/84 page 62
![()irrn()(:LAi)iiNAi':. 5.‘). Orthocladius macrobrachlus, sj). ii. Q. Head l)la('kish, and antennae brown. Last antennal .segment about 0-7 times as long as segments 2-1.togetlier, with long hairs on its basal two-thirds or more, tij) with fine ])ul)escence. Thorax dull black ; shoulders, lateral margin of scutum, and pleural meiubrane yellowish ; scutellum dark brownish. Abdomen blackish, lighter beneath, each tergite with about 10 short hairs. Hyjmpygium with lobe of side-piece situate about middle, but rather more produced than in 0. hrevifarcatus ; clas])er slightly expanded on inner face in middle, terminal claw very .stout ; anal point present but very short. Legs brownish ; no tarsal beard ; empodia small; no pul villi. On middle and hind legs the tibiae have simple s})urs, one long and one short, and the first three segments of the tarsi each have small a])ical spurs. Mings with a very slight milky tinge by reflected light, very slightly brownish by transmitted light; no microtrichia. . 5 nearly .straight and ending well before level of tip of Cui. Costa extending nearly half-way from tip of to wing-tip, but gradually thinning out and its exact termination difficult to distinguish. R2-3 ending beyond half-way between tips of IR and Cubital fork very short, its base distant from r-ni by nearly twice the length of the short, .straight Cu-y. Slight indications of a fold near end of An parallel with Ciii. Squama bare. Halteres light brownish. Wing-length O'8-l-O mm. Savaii : Safune, 150 d', 12.v.1924 (Bryan). This species is clo.sely related to 0. hrevifurcatus Edw. (Britain) and 0. hrachifdicranus Edw. (Society Is.), differing from both in the more distinctly produced costa and in details of the hypopygium. Chironominae. 54. Tanytarsus hopkinsi, sp. n. $. Colour uniformly pale yellowi.sh (probably green in life), vestiture pale. Eyes approximated, bare ; distance between them only about as great as dia¬ meter of first segment of antennae. Antennae G-.segmented ; segment 2 with a slight constriction near ba.se and a short neck ; 9 and 4 with longer necks, which are not much shorter than the swollen basal ])art; 5 without neck ;](https://iiif.wellcomecollection.org/image/b29809071_0042.jp2/full/800%2C/0/default.jpg)
