A new species of Philetus Melander (Diptera: Empididae) from the Yukon Territory, Canada

Zootaxa ◽  
2020 ◽  
Vol 4718 (3) ◽  
pp. 447-450
Author(s):  
JEFFREY M. CUMMING ◽  
SCOTT E. BROOKS

The Nearctic genus Philetus Melander, 1928 is a rarely collected group of empidid flies that contains two western species, namely P. memorandus Melander and P. schizophorus Melander. The genus was fully diagnosed by Cumming et al. (2016) with both known species redescribed and their distributions mapped. Here we describe a third species of Philetus from a single male collected recently in the Richardson Mountains of the Yukon Territory in Canada and provide a key to species based on male morphology. Terms used for adult structures follow those of Cumming & Wood (2017) and methods follow those outlined in Cumming et al. (2016). 

1991 ◽  
Vol 69 (5) ◽  
pp. 1375-1388 ◽  
Author(s):  
Michael J. Tynen ◽  
Kathryn A. Coates ◽  
C. A. S. Smith ◽  
Alan D. Tomlin

Henlea yukonensis Tynen and Coates, sp.nov., a large enchytraeid 10–60 mm long and 2 mm in diameter, is described from the western foothills of the Richardson Mountains. Henlea yukonensis is distinguished from H. udei (Eisen, 1904), a species known only from Alaska, by spermathecal form and by the locations of the intestinal diverticula and dorsal blood vessel origins. Henlea yukonensis could be included in Hepatogaster Cejka, 1910, a subgenus of Henlea Michaelsen, 1889 characterized by intestinal diverticula with a multitubular substructure, if that form of intestinal diverticulum were shown to be apomorphic in Henlea. This form of diverticulum is described only in a few Siberian and North American species of Henlea: H. ochracea (Eisen, 1878) sensu Welch, 1919, H. moderatoidea Altman, 1936, and H. udei (Eisen, 1904), Subgeneric classification within Henlea awaits the resolution of diagnostic character states and of character polarities for the genus as a whole. Setal size distribution, oesophageal appendages, and intestinal diverticula probably have unique states that could delimit Henlea. However, our limited knowledge of the last two characters presently restricts their utility to diagnoses of the genus and subgenera. Punahenlea Nurminen, 1980 is not presently distinguished from Henlea by any reliable taxonomic characteristics.


ZooKeys ◽  
2020 ◽  
Vol 939 ◽  
pp. 1-28
Author(s):  
Royce T. Cumming ◽  
Jessa H. Thurman ◽  
Sam Youngdale ◽  
Stephane Le Tirant

A new subgenus, Walaphylliumsubgen. nov., is described within Phyllium Illiger, 1798 to accommodate three leaf insect species. One of the species included is newly described herein as Phyllium (Walaphyllium) lelantossp. nov. from Papua New Guinea. This new subgenus of Phyllium can be diagnosed by a following combination of features. This new species is compared to the two additional new subgenus members, Phyllium zomproi Größer, 2001 and Phyllium monteithi Brock & Hasenpusch, 2003. Also for the first time the male morphology of Phyllium zomproi is described and illustrated. To conclude, a brief biogeographical view of the leaf insects on either side of the Torres Strait is presented, as well as a key to species and a distribution map to the known species of Phyllium (Walaphyllium)subgen. nov.


2020 ◽  
Vol 45 (2) ◽  
pp. 328-333
Author(s):  
Camila Alcantara ◽  
Gleison Soares ◽  
Francisco de Assis Ribeiro dos Santos ◽  
Marccus Alves

Abstract—Justicia rubrobracteata, a new species from northeastern Brazil, is described and illustrated. The new species is morphologically similar to J. aequilabris due to its shrubby habit, and terminal and axillary spicate inflorescences with red flowers. However, J. rubrobracteata is differentiated mainly by the shape and color of its bracts and bracteoles as well as an orangish macula in the corolla, and a torulose capsule. In addition, J. rubrobracteata is only known from northeastern Brazil, from the states of Paraíba and Rio Grande do Norte, while J. aequilabris is widely distributed in Bolivia, Brazil, and Paraguay. A table with the main morphological characters of both species is included, as well as photographs, a key to species of Justicia for the states of Paraíba and Rio Grande do Norte in northeastern Brazil, a distribution map of both species, and conservation data for the new species.


2011 ◽  
Vol 20 (2) ◽  
pp. 350-355
Author(s):  
A.V. Barkalov ◽  
X.-Y. Cheng

A review of species of the genus Blera Billberg, 1820 known from China is given. A new species, Blera longiseta sp. nov., is described. Three species, B. japonica (Shiraki, 1930), B. nitens (Stackelberg, 1923) and B. violovitshi Mutin, 1991, are recorded for the first time from China. An illustrated key to species is provided.


2011 ◽  
Vol 20 (1) ◽  
pp. 85-95 ◽  
Author(s):  
S.A. Belokobylskij ◽  
T.S. Kostromina

Two braconid genera from the subfamily Alysiinae, Lodbrokia Hedqvist, 1962 and Asyntactus Marshall, 1898, are recorded in the fauna of Russia and in the Asian continent for the first time. A new species Lodbrokia uralica sp. nov. is described from the Urals, and a key to species of this genus is provided. Redescriptions of the female and male of Asyntactus rhogaleus Marshall, 1898 with information about the level of variability of its morphological characters are given. Asyntactus sigalphoides Marshall, 1898 is synonymised with A. rhogaleus Marshall, 1898 (syn. nov.).


2009 ◽  
Vol 18 (2) ◽  
pp. 285-290
Author(s):  
I.Ya. Grichanov ◽  
M.B. Mostovski

The genus Systenus Loew, 1857 is recorded from Afrotropical Region for the first time. A description of a new species, Systenus africanus Grichanov sp. nov., and notes on females of another probably new Afrotropical species are provided. The genus is considered now as cosmopolitan. A key to species and species groups of the Systenus worldwide is compiled.


2021 ◽  
Vol 95 ◽  
Author(s):  
T.T.T. Vu

Abstract Coomansus batxatensis sp. nov., recorded from Vietnam, is described and illustrated and its phylogenetic relationship within the Mononchida is analysed. The molecular data (18S and 28S ribosomal DNA) are provided for the new species. The new species is characterized by small body size (body length, L = 0.7–0.9 mm); buccal cavity sub-rectangular in shape, flattened at base, 21–24 × 12–13 μm or 1.9 (1.7–2.0) times as long as wide; posterior position of dorsal tooth apex (59–63% from the base of buccal cavity); pars refringens vaginae with faint and small (2.5 × 1.7 μm) teardrop-shaped pieces, short pars distalis vaginae; and males with short spicules (50–51.5 μm) with rounded head and conical blade part. The new species is close to Coomansus parvus but differs from it by the smaller buccal cavity size, more posterior position of the dorsal tooth apex, longer tail and presence of males. An updated identification key to Coomansus species and a compendium of all the species known are presented.


Zootaxa ◽  
2021 ◽  
Vol 4966 (1) ◽  
pp. 41-53
Author(s):  
ALEXANDER A. KHAUSTOV ◽  
ALEXANDER V. PETROV ◽  
VASILIY B. KOLESNIKOV

A new genus and species, Unguitarsonemus paradoxus n. gen., n. sp. and a new species, Pseudotarsonemoides peruviensis n. sp. (Acari: Trombidiformes: Tarsonemidae), are described based on phoretic females collected on bark beetles Phloeotribus pilula and Ph. biguttatus, respectively, from Peru. A key to species of the genus Pseudotarsonemoides is provided. 


Zootaxa ◽  
2017 ◽  
Vol 4294 (3) ◽  
pp. 361 ◽  
Author(s):  
JING SUN ◽  
WEIJIAN HUANG ◽  
YALIN ZHANG

Elongationa gen. nov., a new leafhopper genus (Hemiptera: Cicadellidae: Ledrinae) with one new species, E. hyalina sp. nov., is described and illustrated in detail. A checklist and key to species in the genus Midoria are provided including a new species, Midoria curvidentata sp. nov., described in this paper.  


2012 ◽  
Vol 69 (2) ◽  
pp. 301-311 ◽  
Author(s):  
C. M. Wilmot-Dear ◽  
I. Friis

A new species in the Old World genus Debregeasia (Urticaceae), D. australis Friis, Wilmot-Dear & C.J.Chen, based on material from forest habitats in eastern Queensland, Australia, is described, illustrated and mapped. A new synopsis of the genus and a new key to species recognised is provided as a supplement to the revision of Debregeasia by C. M. Wilmot-Dear in 1988. Debregeasia orientalis, described from China since 1988, is accepted, species from China and Bangladesh (D. elliptica and D. dentata) are reinstated, and other taxonomic changes made since the revision of 1988 are summarised.


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