. The Australian zoologist. Zoology; Zoology; Zoology. FRASER. 157 acutely angled, its costal side always more than half as long as its posterior side. Pterostigma unbraced. Only two genera, Hypolestes Gund., Pseudolestes Kirby, neo- tropical and Oriental respectively. Subfamily 2. Lestinae auct. Quadrilateral acutely angled distally, its anterior side always less than one half the length of posterior side. Pterostigma well braced. Numerous genera are known— Australestes Till. (Australian), Africalestes Kenn. (Ethiopian), Archilestes Selys, Superlestes Will., Cyptolestes Will. (American), Plat
. The Australian zoologist. Zoology; Zoology; Zoology. FRASER. 157 acutely angled, its costal side always more than half as long as its posterior side. Pterostigma unbraced. Only two genera, Hypolestes Gund., Pseudolestes Kirby, neo- tropical and Oriental respectively. Subfamily 2. Lestinae auct. Quadrilateral acutely angled distally, its anterior side always less than one half the length of posterior side. Pterostigma well braced. Numerous genera are known— Australestes Till. (Australian), Africalestes Kenn. (Ethiopian), Archilestes Selys, Superlestes Will., Cyptolestes Will. (American), Platylestes Selys, Ceylonolestes Kenn., Indolestes Fraser (Oriental), Sympecma Charp. (Eurasian), and Lestes Leach (Cosmopolitan). The Hypolestes are somewhat venationally annectent to the Mega- podagriidae. Archilestes, as has already been mentioned under the Syn- lestidae, is venationally annectent to that family. The family Lestidae includes an interesting series of forms with respect to the manner of hold- ing the wings at rest, the more archaic types resting with the wings half- open, the more specialized types with the wings m/ IRiu MA Fig. 19.—Lestoidea conjunct a Till. Family 4. Lestoideidae nov. fam. (Fig. 19.). Subfam. Lestoidinae Munz, 1919, Mem. Amer. Ent. Soc. 3: 17. This family is proposed for a very remarkable genus, Lestoidea, dis- covered by myself in North Queensland. In it, CuP is reduced to a single cell's length; 1A is entirely absent; 1R3 and R4 + 5 arise together about midway between the arculus and subnodus. Distal to the level of the sub- nodus, there appear to be four evenly-spaced branches of Rs; of these, the first (most proximal) is obviously R3, the third is almost certainly 1R2, while the second and fourth appear to be two intercalated sectors which have lost their original zigzagging and have become straightened so as to resemble branches of main veins. The only zigzagged veins are the distal (x) Mr. J. Cowley has pointed out to me
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1914
