Linnaeomyia hortensis, Jaschhof, Mathias & Jaschhof, Catrin, 2015

Jaschhof, Mathias & Jaschhof, Catrin, 2015, Linnaeomyia hortensis gen. et spec. nov. (Diptera: Cecidomyiidae, Porricondylinae) from a backyard site in Öland, Sweden, Zootaxa 4018 (2), pp. 292-296 : 294

Linnaeomyia hortensis spec. nov.

Male characters (other than those referred to in the generic description). Body size 1.2 mm. Head. Head capsule sparsely setose. Eye bridge short, lacking ommatidia dorsally. Postfrons asetose. Scape and pedicel lighter than flagellum. Neck of fourth flagellomere 1.2 times longer than node. Terminalia. Ninth tergite narrow, posterior margin broadly sclerotized medially, small rounded lobes posterolaterally ( Fig. 2 ). Gonocoxites broader than long, sparsely setose ventrally, ventroposterior margin without emargination, dorsoposterior margins with small triangular lobes ( Fig. 2 ). Gonostylus somewhat bulbous dorsally, dense large microtrichia dorsosubapically, posterior margin slightly convex ( Figs 2–3 ). Tegmen membranous, elongate, slightly broadened subapically, with tongue-shaped process apically; side edges turned ventrally, slightly serrate subapically ( Fig. 4 ).

Etymology. The species epithet, hortensis , is the Latin word for ‘belonging to the backyard’.

Holotype. Male (specimen ID CEC93), Sweden, Öland, Mörbylånga, Skogsby, Station Linné, lawn with bushes next to compost pile, 1–31 July 2014, Malaise trap, M. & C. Jaschhof (in NHRS).

Figures

FIGURES 2 – 5. Morphology of male Linnaeomyia hortensis. 2: Genitalia, ventral. 3: Gonostylus, ventral. 4: Tegmen and ejaculatory apodeme, ventral. 5: Wing, vestiture omitted. Tg 9 = ninth tergite; ejac ap = ejaculatory apodeme. Scale for 2 – 4, 0.05 mm; for 5, 0.50 mm.