Or it can be used in a general descriptive sense; for example, elytron with eight interneurons, fourteen interneurons. Eo4c; shape short, robust and convex (jeppeseni group) 12 Interneur 8 without small fovea; form several Elytron with lateral margin surrounded with setae from base to apical fourth, setae longer than width of elytral explanation 22. 53.(52) Elytron with humeral margin coarsely toothed-setulose. alcimus, new species Elytron with humeral margin smooth, finely setulose.
67 61.(60) Elytron with well-spaced longitudinal internal punctures, at least three or four times their diameter 34.
Pericompsus australis (Schaum), new combination
DISTRIBUTION.—The range of this species extends through extreme southwestern Australia south of 30° S latitude, with one record slightly north of 25° S. VARIATION.—The punctation of interneuron 6 on each elytron varies from 0 to 7; it occurs in the same population, and the same individual may have different numbers of holes on each elytron. DISTRIBUTION.—The range of this species is restricted to the southernmost coastal lands of South-Eastern Australia and Tasmania.
VARIATION.- The shape and size are fairly uniform, but the dorsal color is quite variable in a north to south direction. DISTRIBUTION.—The range of this species extends over most of the Neotropical region from 20° N latitude to about 15° S latitude. VARIATION.—The width of the pronotum varies within population specimens relative to the width of the head and elytra.
ETYMOLOGY.—The noun, bilbo, refers to Tolkien's hobbit character in Lord of the Rings. DISTRIBUTION.—The range of this species extends from central Mexico to El Salvador and appears to be most abundant around the Transvolcanic Belt of central Mexico at lower elevations. DISTRIBUTION.—The range of this species extends from the subtropical humid areas south of the Brazilian Highlands to the Mediterranean areas east of the southern Andes, between 20° S latitude and 35° S latitude.
DISTRIBUTION. - The combined range of the species of this group extends from Massachusetts and California in the United States to central Argentina and Chile in South America. DISTRIBUTION.—The range of this well-collected species extends from Massachusetts to Kansas, south through Texas to Honduras. VARIATION.—The remarkable variation in size (see above) is the only non-constant feature I have observed in the few specimens available for study.
ETYMOLOGY.—The gender patronymic, leechi, honors my friend and the friend of every coleopterist who uses the material of the California Academy of Sciences, Hugh B.
Pericompsus pauli, new species
LOCALITY RECORDS (Figure 74).—I have only seen the type from 5.0 miles south of the Rio Grande de Santiago Ferry, Nayarit, Mexico. Head: Across eyes slightly narrower than width of pronotum; frontal furrows short and deeply impressed, not extending posteriorly beyond mid-eye level; eyes of medium size and prominent. Pronotum (Figure 1): Almost quadrate, sides shallowly upturned in basal half; base lobed at middle; posterior angles acute, slightly pointed; lateral margins beaded, not reflexed; disk slightly convex.
LOCAL RECORDS (Fig. 74).—I have seen 22 specimens, all paratypes (MCZ, USNM), from Hamburg Farm near Port Lim6na, Costa Rica. It can be easily distinguished from all members of the subgenus by the piquant body color and 4 white elytral spots. Head: Across the eyes slightly narrower than the width of the pronotum; frontal furrows moderately impressed and evenly arched to posterior margin of eye; eyes of medium size and prominent.
Pronotum (Figure 63): quadrate-subcordate, sides moderately curved in basal half; base broadly lobed at middle; posterior angles acute, slightly pointed; lateral margins narrowly reflexed; disk slightly convex. Elytra: Each elytron with 6 partially striated dotted interneurs; punctures moderately large, separated longitudinally by less than their diameter; rows 1-3 less impressed at apex, rows 4-6 obliterated at apex, interneur 7 obliterated externally throughout, interneur 8 well impressed and foveate. Beetles also hid under half-buried twigs and branches and in grass roots near pools.
SPREAD. The range of this species extends from central Mexico through Central America to the northern coast of South America. CENTRAL AMERICA: COSTA RICA: 15 km west of Esparta (USNM); 16.0 km northwest of Liberia (MCZ, UASM, USNM).
Pericompsus laetulus LeConte
Pericompsus longulus Bates
DISTRIBUTION.-The range of this species extends from the western deserts of northern Mexico through the tropical regions of Mexico south to Costa Rica. DISTRIBUTION.-The range of this species extends from the northernmost limit of the tropical belt on the west coast of Mexico south to Colombia. DISTRIBUTION. - The range of this species is limited to the islands of Cuba and Jamaica.
ETYMOLOGY.—The adjective, morantensis, refers to the type locality of this species, Morant Bay, Jamaica. ETYMOLOGY.—The genitive patronymic, philipi, honors my friend and mentor who collected the types of this species, Philip J. DISTRIBUTION.—The range of this species is limited to the island of Hispaniola and the easternmost part of Cuba.
Pronotum (Figure 94): Subcordate, sides moderately curved in basal half; base broadly spatulate; posterior angles acute, almost right; the side edges are not bent; disc moderately convex. DISTRIBUTION.—The range of this species extends from Costa Rica southward to the western parts of the Amazon basin. VARIATION.—The few specimens available for study show slight variations in the intensity of the punctate pigmentation around the brown cloud of the elytral.
DISTRIBUTION.—The range of this species is limited to coastal regions in central Chile between 30° S and 40° S latitude. Pronotum (Figure 97): Strong undercord, sides sinuate and narrowed in basal half; base broadly lobed; hind corners about right; lateral margins not reflected; disc moderately convex.
Pericompsus amygdali, new species
Pronotum (Figure 109): Broadly subcordate, sides moderately curved in basal half; base broadly spatulate; rear corners around right; the side edges are not bent; disc moderately convex. Pronotum (Figure 111): Broadly subcordate, sides shallowly sinuous in basal half; base broadly spatulate; rear corners around right; the side edges are not bent; disc moderately convex. VARIATION.— The paratype is a much smaller specimen with a narrower pronotum, but agrees in all features with the holotype.
ETYMOLOGY.—The Latin adjectival name, subincisus, refers to the similarity between the elytra of members of this species and those of P. Pronotum (Fig. 120): subcordate, sides strongly coiled and narrowed at basal half; base broadly spatulate; rear corners around right; the side edges are not bent; disc moderately convex. DISTRIBUTION.—The range of this species is associated with the steppe and savanna region on the eastern slope of the Andes bordering 20° S latitude.
NATURAL HISTORY.—The available specimens were collected in January and March; one sample was teneral in both samples. Pronotum (Figure 126): Subcordate, sides sinuate in basal half; base slightly lobed in the middle; posterior angles acute, slightly prominent; lateral margins not reflexed; disk moderately convex. Pronotum (Figure 127): Subcordate, sides sinusoidal and moderately constricted in basal half; base broadly lobed; posterior angles about right; lateral margins narrowly reflexed in basal half; disk moderately convex.
Pronotum (Figure 129): Strong undercord, sides sinuate and narrowed in basal half; base broadly lobed; posterior angles slightly obtuse; lateral margins not reflected; disc strongly convex. VARIATION.-The subhumeral spots are connected to the elytral cloud in two specimens, one from Argentina and one from Bolivia.
Pericompsus picticornis Bates
Head: over the eyes less than the width of the pronotum; frontal furrows moderately impressed and evenly curved, each extended to the posterior ocular margin; eyes moderately large and prominent. Easily distinguished from all members of the group by the small contiguous punctures of the elytral interneurs and the highly microsculpted elytra. Color: Rufotestaceous, midventer and elytral cloud rufous; antennae 7-11 almost white, remainder antennae and appendages testaceous.
Pronotum (Figure 137): Strongly subcordate, narrow, sides strongly sinuate and narrowed in basal half; base broadly lobed; posterior angles sharp, prominent; lateral margins not reflected; disc strongly convex. Microsculpture: Moderately impressed, nearly isodiametric reticulation on elytra and anterior margin of pronotum; nearly obliterated from frons and pronotal disc. LOCALITY RECORDS (Figure 144).—I have seen only the type-series from Arroyo Guazu, Mbovero, Paraguay (MCZ, USNM).
Head: Over eyes slightly narrower than width of pronotum; anteriors well impressed and evenly arched, each extended to posterior margin of eye; eyes moderately large and prominent. ETYMOLOGY.—Greek adjective, krossotos, meaning "edge," refers to the setose border on the elytral margin. The members of the hirsutus group are characterized by the presence on the elytra of numerous long setae arranged in rows along the intervals.
As in members of the preceding group, some members of the hirsutus group have acquired accessory setae along the elytral margin, pronotal margin, and in this group on the top of the head. The hirsutus group is currently represented by three species with a combined range extending from about 23° S latitude in Brazil to about 3° S latitude, also in Brazil.
Pericompsus hirsutus Schaum
It is easily distinguished from members of that species by the presence of three supraorbital setigerous pores for eyes, from members of the following species by the conch antennae. Members of the incisus group are characterized by bicarinate elytral intervals and a angled humeral angle. VARIATION.-The specimens from Mato Grosso have the venter of the prothorax piceous and of.
NATURAL HISTORY. - The samples were collected in May and July; two of the May specimens were a little strong. In the milder areas of the Pericompsus range, teneral adults were found only during the spring and summer months. The Neotropical Eidocompsus group (Figure 25) is the less specialized (with respect to the character states studied) of the two New World groups.
The New World Pericompsus group (sensu stricto) are the most specialized species (Figure 1) of the genus. There are more species in this group than the other two groups and some of the species are quite variable. Additions to the Carabid Fauna of Mexico, with remarks on some of the previously recorded species.
Studies of the Subtribe Tachyina (Coleoptera, Carabidae, Bembidiini), Part I: A revision of the Neotropical genus Xystosomus Schaum. If submissions are invited, the following press format requirements will apply to copy preparation.
