INSECTA 385 
divaricate in by far the most, in some parallel, deflected. Eyes 
very large, contiguous in males. Tarsi with three pulvilli. 
a) Proboscis of the length of the head or shorter than the head, bila- 
biate at apex. 
*) Antenne longer than head. 
Sub-genera: Hexatoma Muic., Hamatopata’ Metc. Wings de- 
flected, parallel. Ocelli none. 
Sp. Haematopota pluvialis, Tabanus pluvialis L., Panzer, Deutschl. Ins. 
Heft 13, no. 23; four lines long, blackish, thorax with white stripes, 
wings clouded grey ; the female pricks sharply, especially in warm rainy 
weather ; very common all over Europe. 
Sub-genera: Chrysops Mric., Silvius Muic. Wings divaricate. 
Ocelli three. 
Sp. Chrysops cecutiens, Taban. cwcutiens L., Dumir. Cons. gén. s.l. Ins. Pl. 
47, fig. 8. 
** Antenne of length of head, (ocelli none, wings divaricate). 
Sub-genus: Zabanus Mezta. 
Sp. Zabanus bovinus L., Panzer, Deutschl. Ins. Heft 2, no. 20; Cuv. R. 
Ani. éd. ill., Ins. Pl. 171, fig. 2, &e. This species has naked eyes; in 
other species the eyes are haired. Comp. ZELLER in OKEN’s Jsis, 1842, 8. 
812—823. The larve live under ground: the pupa state lasts in Tabanus 
bovinus about four weeks. Dr GEER Jns. VI. pp. 214—219, Pl. 12 
figs. 6, 7. 
’ 
6) Proboscis elongate (of length of head and thorax), acuminate. (Ocelli 
mostly three, in some none.) 
Sub-genera: Pangonia Larr, Meric. (previously Zanyglossa 
Meic.), Rhinomyza WrEDEM. 
Family XII. Notacantha s. Odontomytide. Antenne with 
several joints, four or more being terminal, very often joined to 
form an annulate body cylindrical or conical. Sete of haustellum 
four. Palps small, clavate. Tarsi with three pulvilli. Scutellum 
in many armed with spines or teeth, whence the family name. 
Thorn-backs, armed flies. Re AuMUR gave to some species of this 
family the name of mouches armés, which Grorrroy (Hist. des In- 
sectes qui se trouvent aux environs de Paris, u. 1762, p. 476) ren- 
dered by Stratiomys, to which name well-founded objections may be 
made (ZELLER, OxEN’s /sis, 1842, p. 828), but since it was adopted 
by Fazricius, it is now in too general use to permit its rejection 
