Akalyptoischion giulianii Andrews

Hartley, Christopher S., Andrews, Fred G. & Mchugh, Joseph V., 2007, A Taxonomic Revision Of The Genus Akalyptoischion Andrews (Coleoptera: Latridiidae), The Coleopterists Bulletin (mo 6) 61, pp. 1-50 : 26-29

publication ID	https://doi.org/ 10.1649/0010-065x(2008)61[1:atrotg]2.0.co;2
persistent identifier	https://treatment.plazi.org/id/DF72321B-FF86-FF95-FE1F-FDBFFCCAD945
treatment provided by	Carolina
scientific name	Akalyptoischion giulianii Andrews
status

Treatment

( Fig. 31 View Figs , 39 View Figs , 45 View Figs , 52)

Akalyptoischion giulianii Andrews 1976 a: 6

Description. 1.10–1.30 mm. Width 0.35–0.40 mm. Body elongate, parallel, light yellowish brown to dark brown, pronotum and head often one shade darker than elytra; densely setose; head broad, narrower than pronotum by one eye width, sides sinuate, anterior head width equals 1/2 posterior head width; clypeus narrowing gradually at less than 45u angle anterior to antennal insertions; head foveae large, broad, shallow ovals, larger than eyes; head setation dense, setae long and decumbent; head punctation even and dense, surface rugose; eyes small, appressed to head and not prominent, with 3 or 4 facets; tempora size of one eye facet; hind angles large and rounded, 90u; clypeal fovea length of antennomere II, 0.6 times width of labrum; labrum anterior margin evenly and deeply emarginate, mandibles often visible dorsally from beneath labrum; mandible apex pointed with an apical tooth and 4 large subapical serrations, prostheca long; antennae with a 2-segmented club; antennae reach hind angles of pronotum; antennomere I irregular, wider than long, II elongate oval, III small, length equal to width, IV–V slightly elongate, VI–VIII submonilliform, IX slightly larger, globular, X–XI form club, X large, subglobular, XI larger than X, parallel sided, elongate trapezoid.

Pronotum widest anteriorly, anterior angles rounded but 90u, lateral margin straight sided and converging posteriorly; lateral margin explanate with,12 very small tubercles each bearing a long decumbent seta, one pair of setae anteriorly and one pair posteriorly twice the length of the others; median 2/3 raised with dense, long decumbent setae; pronotal foveae shallow and indistinct, anterior pair transverse, posterior pair broad ovals; pronotal punctation even, not dense, surface rugose.

Elytra parallel, lateral flange not apparent except at basal part; 6 striae; humeral angle rounded, slightly lobed; strial interspaces 3 and 5 raised, interspace 5 more prominent than 3; long decumbent setae present on every interspace, setae on interspaces 3, 5 and lateral margin very long, some erect but not stout and with recurved tips; epipleuron complete, narrowing posteriorly.

Ventral surface evenly setose, setae long, decumbent; submental fovea deep, length of antennomere III, sparse micropunctures only; ventral head punctation even on entire head; gular punctation uniform but more concentrated posteriorly; prosternal punctation even; mesosternum without sharp carinae; metasternum with a single fovea between mesocoxae, a small fovea posterior to each mesocoxa, a large transverse fovea anterior to each metacoxa, and median surface with scattered punctures laterally but none at midline; abdominal ventrite I with 2 very small, indistinct punctures at anterior corners of intercoxal process, a large, deep fovea equal in size to metacoxae posterior to each metacoxa, and median surface without punctures; ventrites II–IV unmodified.

Material Examined. PARATYPES, USA: label data: ‘‘ Independence Creek Inyo Co., Cal. XII.1972,’’ ‘‘ Berlesed from Black Oak Duff,’’ ‘‘ D. Giuliani Collector,’’ 1 on slide (2, CDAE) .

Additional Material, ‘‘Independence Creek Inyo Co., Cal. XII.1972,’’ ‘‘Berlesed from Black Oak Duff,’’ ‘‘D. Giuliani Collector’’ (1, CDAE); ‘‘Coyote Cr 7 mi SW Bishop, Cal. Inyo Co 7,5009 XI.1972,’’ ‘‘Berlesed from Pinon duff,’’ ‘‘D. Giuliani Collector’’ (1, CDAE); ‘‘ 2 mi SW Big Pine, Cal Inyo County XI.1972,’’ ‘‘Berlesed from Ceanothus duff,’’ ‘‘D. Giuliani Collector’’ (1, CDAE); ‘‘Division Creek Inyo Co., Cal. IX-1972 5,8009,’’ ‘‘Berlesed from Oak Duff,’’ ‘‘D. Giuliani coll.’’ (1, CDAE); ‘‘CALIF: Inyo Co. Division Creek 5,0009 VI-17-1980 D. Giuliani F80-26,’’ ‘‘Berlese Neotoma nest at base of Quercus kelloggii ,’’ 1 on slide (19, CDAE); ‘‘ III-31-1981 to VII-23-1981 D. Giuliani antifreeze pit trap’’ (4, CDAE); ‘‘5,7009 Sierra Nevada Mts. VII-23-81/ XI-22-1981 D. Giuliani,’’ ‘‘Antifreeze pit trap in oak woodland’’ (1, CDAE); ‘‘N. Fork Oak Creek Inyo Co. Cal 6,0009 IX.1972,’’ ‘‘ex Black Oak Duff,’’ ‘‘D. Giuliani collector,’’ 1 on slide (3, CDAE); ‘‘Piñon Creek Inyo Co., Cal. VI-11-1976,’’ ‘‘Berlesed from Quercus chrysolepis duff,’’ ‘‘D. Giuliani Collector’’ (1, CDAE); ‘‘Cottonwood Creek 5,6009 Inyo Co., Cal. X-1972,’’ ‘‘Berlesed from Golden Oak Duff,’’ ‘‘D. Giuliani Collector’’ (1, CDAE); ‘‘Last Chance Mts Inyo Co., Cal. VI-20-1973,’’ ‘‘ex Piñon 8,0009,’’ ‘‘Collector D. Giuliani’’ (1, CDAE); ‘‘CALIF: Inyo Co. 2 mi SW Big Pine II-6-1976 D.Giuliani, coll.’’ (2, CDAE); ‘‘CALIF: Inyo Co. 2 mi. W Lone Pine 4,4009, Alabama Hills III-31/ IX-11-1981 D. Giuliani, pit trap’’ (1, CDAE); ‘‘CALIF: Inyo Co. White Mts 4 miN,4 miE Big Pine VIII-28-1984 to VI-11-1985 5,0009 D.Giuliana,’’ ‘‘Collected in Ethylene Glycol pit trap’’ (2, CDAE): ‘‘6.5 miN7.5 miE Big Pine VIII-28-1984 to VI-11-1985 7,0009 D.Giuliani,’’ ‘‘Collected in Ethylene Glycol pit trap’’ (3, CDAE); ‘‘CALIF: Inyo Co. White Mts. Cedar Flat, 7,3009 11 mi. NE Big Pine, VIII-16-1992, D.Giuliani Pinus monophylla duff’’ (2, CDAE); ‘‘CALIF: InyoCo. Saline Valley Grapevine Canyon XI-23-1983 to I-10-1985 5,0009 D.Giuliani,’’ ‘‘Collected in Ethylene glycol pit trap’’ (1, CDAE); ‘‘CALIF: InyoCo., 1.5 mi N, 6.5 mi N Independence, Willow Springs Cyn 4,6009 I-3-84 to VI-1-84 D.Giuliani,’’ ‘‘Collected in Ethylene glycol pit trap’’ (1, CDAE); ‘‘ CALIF: Inyo Co. Deep Springs Valley, near Buckthorn Springs 4,9509 VI-27-1984 to V-9-1986 D. Giuliani,’’ ‘‘Antifreeze pit trap’’ (1, CDAE); ‘‘CALIF: Mono Co. Owens River Gorge 6,6409 X-24-1982 toX- 18-1983 D.Giuliani Antifreeze Pittrap’’ (1, CDAE); ‘‘CALIF: Mono Co. 1.5 mi E Toms Place X-24-1982 to X-18-1983 7,0009 Sandy habitat D.Giuliani,’’ ‘‘Collected in Ethylene glycol pit trap’’ (1, CDAE).

Remarks. The setae in this species are among the longest found in the genus, and the setae borne on the elytra are both erect and decumbent. See remarks under A. heterotrichos for further discussion of erect versus decumbent setae.

This species is similar to A. heterotrichos and A. sleeperi . It may be distinguished from A. heterotrichos by its emarginate labrum, wide head, smaller eyes that are not prominent, and denser setation and punctation on the head and pronotum. It may be distinguished from A. sleeperi by its much longer setae, especially on the elytra and the lateral margin of the pronotum and by the presence of erect setae on the elytra.

Akalyptoischion hadromorphus Hartley, Andrews & McHugh new species ( Fig. 1 View Fig , 12 View Figs , 32 View Figs , 43 View Figs , 50)

Etymology. Greek meaning ‘‘well-developed shape’’ referring to the large, robust body and the long, erect and decumbent setae present on the dorsal surface.

Description. Length 1.40–1.80 mm. Width 0.50–0.60 mm. Body elongate, subparallel, uniformly reddish brown; uniformly setose, setae long; head narrower than pronotum by one eye width, sides sinuate; clypeus narrowing at 45u anterior to antennal insertions; head foveae deep, oval, size of eyes; head setation dense, setae long and decumbent, with stout, erect setae present at posterior corners near eyes; head punctation even, surface rugose; eyes large and prominent with 4 or 5 facets; tempora short, size of one eye facet; hind angles sharp, 90u; clypeal fovea length of antennomere I, 0.6 times width of labrum; labrum anterior margin not emarginate, mandibles slightly visible dorsally from under labrum; mandible pointed with apical tooth and 5 sub-apical serrations, apical tooth on a lower plane and 5th serration small, prostheca short; antennae with a 3-segmented club; antennae reach hind angles of pronotum; antennomere I subglobular, bearing a long stout seta on its posterior face, II elongate oval, III narrow, 3 times longer than wide, IV–VII elongate, sides arcuate, VIII subglobular, IX–XI form loose club, IX large, elongate, broadening apically, X subequal to IX, sides arcuate, XI elongate, subrectangular.

Pronotum wider than long, anterior angles sharp, 90u to slightly lobed, lateral margin arcuate, posterior angles sharp, 90u; lateral margin strongly explanate with,15 distinct tubercles, 5 tubercles with stout, erect setae, all others with decumbent setae; median 3/5 raised with dense, decumbent setae; pronotal foveae distinct, transverse, occupying all of explanate area; pronotal punctation dense.

Elytra subparallel, lateral flange present in anterior 1/3 only; 6 striae; humeral angle moderately lobed; strial interspaces 3 and 5 carinate; every interspace with long decumbent setae, interspaces 1, 3, 5 and lateral margin also with long erect setae interspersed; epipleuron complete, narrowing posteriorly.

Ventral surface evenly setose; submental fovea large, length of antennomere II, scarcely micropunctate; ventral head punctation even laterally, no punctures at midline; gular punctation even; prosternum evenly punctate; mesosternum with a weak Y-shaped carina extending anteriorly from mesocoxal process; metasternum with a small fovea between and posterior to each mesocoxa, a narrow, arcuate fovea anterior to each metacoxa, and median surface with very few scattered punctures; abdominal ventrite I with 2 small, round foveae at anterior corners of intercoxal process, a transverse fovea posterior to each metacoxa, and median surface with a pair of round or geminate punctures, one situated below each coxa; ventrites II–IV unmodified.

Material Examined. HOLOTYPE, USA: label data: ‘‘CALIF: San Bernardino Co., Mexican Mine 4,2009 XII-31-78 to VI-16-79 R. L. Aalbu, coll.’’ ( CDAE).

PARATYPES, USA, same data as holotype (4, CDAE); ‘‘CALIF: SanBernardinoCo., J.T.N.M., 49 Palms, (PalmOasis), El.2,8009, R.L.Aalbu,’’ ‘‘VII-II-75 to X-26-75,’’ ‘‘ETHYLENE GLYCOL CAN TRAP (Dow) 6,’’ on slide (1, CDAE); ‘‘CALIF: SanBernardinoCo., J.T.N.M., 49 Palms, (PalmOasis), El.2,8009, R.L.Aalbu,’’ ‘‘VII-II-75 to X-26-75,’’ ‘‘ETHYLENE GLYCOL CAN TRAP (Dow) 6’’ (4, CDAE): ‘‘X-26-75 to II-15-76,’’ ‘‘ETHYLENE GLYCOL 17 CAN TRAP (DuPont)’’ (2, CDAE): ‘‘X-26-75 to II-15-76,’’ ‘‘ETHYLENE GLYCOL 22 CAN TRAP (UnionCarb.), 1 on slide (2, CDAE): ‘‘II-15-76 to V-

26) Dienerella filum, abdominal ventrites.

28-76,’’ ‘‘ETHYLENE GLYCOL 5 CAN TRAP (DuPont)’’ (13, CDAE); ‘‘49 Palms, JTNM San Bernardino Co., Cal (Palmoasis) 2,8009 R.L. Aalbu,’’ ‘‘V-28- 76 to IX-25-76,’’ ‘‘ETHYLENE GLYCOL 5 CAN TRAP (DuPont)’’ (1, CDAE).

Additional Material , ‘‘CALIF: San Bernardino Co., Mexican Mine 4,2009 XII- 31-78 to VI-16-79 R. L. Aalbu, coll.’’ (8, CDAE) ; ‘‘CALIF: Riverside Co. Corn Springs 80-172 V-22-1980 K.W. Cooper 80-172,’’ ‘‘berlese Neotoma nest at margin of wash’’ (15, CDAE) ; ‘‘CALIF: Riverside Co. 13 mi. NE Desert Center V-22-1980 K.W. Cooper 80-171,’’ ‘‘berlese Neotoma nest at base of Prosopis,’’ 1 on slide (6, CDAE) ; ‘‘ CALIF: San Brdno Co. Providence Mts. St. Rec. Area, Medicine Cave Survey VI-20 to XI-27-1988 trap # 6 Rolf L. Aalbu coll.,’’ ‘‘ Antifreeze pit trap’’ (1, CDAE) ; ‘‘CALIF: San Brdno Co. Providence Mts. St. Rec. Area-Mitchell Caverns area V-8 to VIII-10-81 Rolf L. Aalbu col.,’’ ‘‘ Ethylene glycol pit trap’’ (1, CDAE) ; ‘‘CALIF: San BernardinoCo Joshua Tree Nat. Park Hidden Valley 81-216 K.W. Cooper XII-9-1981,’’ ‘‘berlese Neotoma nest from beneath large boulder’’ (1, CDAE) ; ‘‘CALIF., JTNM Plsnt. Vlly , Fried Liver Wsh XII-3-66,’’ ‘‘ Ground Trap 3,’’ ‘‘ E.L. Sleeper S.L. Jenkins Collr. ’’ (1, CDAE) ; ‘‘CAL: San Bernardino Co. Mitchell Caverns V-24 to VIII-26-78 R.L. Aalbu El. 4,4009,’’ ‘‘ Ethylene glycol pit trap’’ (1, CDAE) : ‘‘VIII-26 to XII-31-78’’ (10, CDAE): ‘‘XII-31-78 to III-17-1979 ’’ (3, CDAE) : ‘‘ III-17 to VI-16-1979 ’’ (2, CDAE) ; ‘‘ Hunter Cyn. Inyo Mts Inyo Co., Cal. VI.30 1976,’’ ‘‘ Berlesed from Maidenhair Fern duff,’’ ‘‘ D. Giuliani Collector’ ’ (3, CDAE) .

Remarks. This species closely resembles A. dyskritos but can be distinguished by the erect setae at the posterior corners of its head. Akalyptoischion hadromorphus also resembles A. anasillos from which it can be distinguished by its elongate third antennomere, elongate antennal club and wide pronotum with long explanate sides and a sharp anterior and posterior angle.