2(54 [November, 1908. 



SYNOPTIC TABLE OF BRITISH PCECILOSOMA Spp. 



1. Genae very short, evidently shorter than the basal joint of the antennae ; 



abdomen above, at least at the extreme apex, testaceous, its dorsal segments 

 without pale lateral flecks on their discs 2. 



— Genae quite as long as (he basal antenna! joint, usually much longer. Abdomen 



flecked above with pale spots laterally, but otherwise black throughout... 3. 



2. Abdomen testaceous-orange throughout (prouotum, tegulae, and legs yellowish)... 



abdominalis, F. 

 = luteolum, C. 



— Abdomen shining black, except its testaceous apex. (Its dorsal segments 



narrowly white at the apex, but not pale spotted on their sides)... 



pulverata, Retz. 



3. Hind-wings with no enclosed medial cell candidata, Fall. 



— Hind-wings always with an enclosed medial cell 4. 



4. Antenna? short and heavy-looking (lateral view !), their penultimate joints 



incrassate beneath, and much wider though little longer than the apical joint 

 (figs. 13a, b, c). Claws not bifid, except in klugi 5. 



— Antennae slender and elongate, penultimate joints very little wider than the 



apical joint (figs. 13«", e,f). Claws always bifid 7. 



5. Apex of clypeus deeply and angularly excised (the sides of the excision look 



like long triangular teeth). See fig. 12a. Bases of all the tibiae pale. 

 Hind calcaria short. Claws almost simple. For antenna? see fig. 13c. . 



excisa, Thorns. 



— Apex of clypeus with a shallower emargination, rather arcuate than angular. 



Hind tibiae practically quite black or fuscous from base to apex 6. 



6. Body larger, broader, coal-black and shining (except for the usual whitish mark- 



ings, which are often very obscui-e in this species). Wings with a blackish 

 clouding. Antennae, see fig. 13a. Calcaria long (about as long as the third 

 tarsal joint). Claws bifid. Clypeus without a distinct carina on its disc, 

 except just at the apex, where a sort of tooth-like tubercle projects into the 

 emargination (fig. 126). Intermediate tibiae hardly paler in front than 

 behind. Vertical area about three times broader than long ...klugi, Steph. 



(? = guttatum, O). 



— Smaller, more slender, and greyer-looking— not so intensely black and shining 



as klugi, and with the pale markings usually more conspicuous. Antennae, 

 see fig. 13J. Calcaria short and claws not bifid. Clypeus more shallowly 

 emarginate, bisected by a distinct narrow carina, which projects very little 

 into the emargination (fig. \2d). Intermediate tibiae evidently pale in front. 



Vertical area hardly twice as broad as long liturata, Gtnel. 



(= submuticum, C.) 



7. Legs (femora included) yellowish. Clypeus (fig. 12c) with only a small tooth 



in the centre of its emargination— not, therefore, bi-cxcised. Thomson notes 

 its white tegulae, &c, and the regular obliteration of the first cubital nerve, 

 and Konow its short "almost circular " eyes. Antenna? (fig. 13d) shorter 

 than in the following specips, but of the same slender type... immersa, Klug. 



(= fletcheri, C). 



