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ENTOMOLOGY. 



Inhabits northern America. 



Family II. Sialida. 



Wings deflexed. Tarsi with the last joint but one bi- 

 fid. Ocelli none. 



Genus DII. Sialis. Latreille. 



Hemerobius. Geoffroy, De Gccr, Olivier. 



Semblis. Fabricius. 



Sfi. 1. Niger. 



He'me'robe aquatic noir. De Geer. 



Hemerobius lutrarius. Linnaeus? 



Semblis lutrarius? Fabricius. 



Inhabits Europe. The larva in water. 



Tiube V. Mantispides. 



Anterior feet raptorious. Thorax with the first seg- 

 ment large, long. Tarsi five-jointed. Wings of equal 

 size, deflexed. 



Genus Dili. Mantispa. Illiger, Latreille. 



Rapiudia. Scopoli, Linnaeus. 



Mantis. Fabricius, Pallas, Olivier. 



Nerveurs hairy. 



Sfi. 1. Pagana. Pubescent-yellowish; thorax rough- 

 ish ; elytra with a yellowish costa, stigma darker. 



Mantisfia fiagana. Illiger, Latreille. 



Rafihidia mantisfia. Scopoli, Linn. 



Mantis fiersa. Pallas. 



Mantis fiagana. Fabricius, Panzer. 



Inhabits France and Germany. 



Tribe VI. Raphidides. 



Wings of equal size. Thorax with the first segment 

 large. Tarsi with four distinct joints, the last but one bi- 

 lobate. Antennae nearly setaceous. Ocelli three, arrang- 

 ed in a triangle. 



Genus D1V. Raphidia. Linn. Geoff. De Geer, Fabr. 

 Oliv. Lam. Latr. 



Head oval, narrowed behind, inflexed. Thorax with 

 the first segment very long, narrow, and somewhat 

 cylindric. Anus of the females with two united 

 setae. 



Sfi. 1. Ofihiofisis. 



Rafihidia ofthiofisis. Linn. Fabr. Latr. 



Inhabits Europe. 



Tribe VII. Termitides. 



Wings of equal size, horizontally incumbent. Thorax 

 with the first segment large. Tarsi with three distinct 

 joints, the penultimate joint entire. Antennae monili- 

 lorm, inserted before the eyes. Head short, rounded 

 behind. Ocellus one. 



The animals of this tribe congregate in great num- 

 bers, and live in societies, being generally known by the 

 term white ants, a name applied to all the species in- 

 discriminately. 



Genus DV. Termes. Linn. De Geer, Fabr. Oliv. 

 Lam. Latr. 



Perla. De Geer. 



Hemerobius. Linn. 



Sfi. 1. Lucifugum. Black, shining, and pubescent; 

 thorax transversely quadrate, with the angles rounded, 

 with an impression on each side of the anterior part, the 

 intermediate space somewhat carinated; wings fusces- 

 cent-hyaline, the costa blackish; apex of the joints of 

 the antennae, tibiae, (base excepted), and all the tarsi, 

 pale-reddish. 



Termes lucifugum. Rossi, Latreille. 



Inhabits Italv. 



Tribe VIII. Psocidf.s. 

 Inferior wings smaller than the superior ones. Some 

 are apterous. Palpi two, composed of four joints. 



Family I. Psocida. 



Tarsi two-jointed. 



Genus DVI. Psoous. Latr Fabr. Lam. Coquebert. 



Hemerobius. Linnaeus. 



Wings four. 



Sfi. 1. Bifiunctatus. Variegated with yellow and 

 black; head above the clypeus blackish; superior wings 

 with a small costal mark, and another on the opposite 

 margin black; the interjected cords blackish; stigma 

 white, with a black spot. 



Psocus bifiunctatus. Latreille, Fabricius, Coquebert. 



Hemerobius bifiunctatus. Linn. 



Inhabits Europe. 



Family II. Atrofiida. 



Tarsi three-jointed. 



Genus DVII. Atropos. Leach's MSS. 



Termes. Linn. De Geer. 



Psocus. Fabricius, Latreille, Coquebert. 



Pediculus. (Pou,) Geoffroy. 



Sfi. 1 . I.ignaria. 



Termes fiulsatorium. Linn. 



Termes lignarium. De Geer. 



Le Pou du Bois. "Geoffroy. 



Psocus fiulsatorius. Fabricius, Latreille, Coquebert. 



Inhabits old books, often beating like a watch, whence 

 it has acquired the name of death-watch. 



Psocus fatedicus of Fabricius, is referable to the ge- 

 nus Atropos, but whether it be a distinct species from 

 Atrofios lignaria is certainly very doubtful. 



Tribe IX. Perlarides. 



Inferior wings larger than the superior ones, with 

 longitudinal folds. Tarsi with three joints. Mandibles 

 distinct. Thorax with the first segment large. 



Obs. The wings horizontally incumbent. 



Genus DVIII. Nemoura. Latreille. 



Phryganea. Linnaeus. 



Perla. Getffroy, De Geer. 



Semblis. Fabricius. 



Labrum very distinct, almost semicircular. Mandibles 

 corneous. Palpi filiform. Tarsi with equal lengthened 

 joints (the middle one scarcely shorter) not spongy be- 

 neath. Anus without setae. 



Sfi. 1. JVebulosa. Fuscous-black, pubescent; abdomen 

 and feet reddish-fuscous; wings cinereous, immaculate, 

 the nerveurs darker. 



Le Perle Brune a ailes fi&les. Geoffroy. 



Nemoura nebulosa. Latreille. 



Inhabits Europe. 



Genus D1X. Perla. Geoffroy, De Geer, Olivier, 

 Lamarck, Latreille. 



Phryganea. Linn. 



Semblis. Fabricius. 



Labrum obscure, transversely linear. Mandibles al- 

 most membranaceous. Palpi almost setaceous. Tarsi 

 with the two basal joints shorter than the third: Anus 

 with two long setae. 



Sfi. 1. Marginata. 



Semblis marginata. Fabricius. 



Perla marginata. Latreille. 



Inhabits Europe. 



Phryganea bicaudata of Linnaeus belongs to this genus. 



