A ladybird is pictured on a leaf in Dhading, Nepal June 30, 2019. REUTERS/Navesh Chitrakar

A ladybird beetle walks on the leaf of a corn plant grown in a research field in College Station, Texas, U.S., May 22, 2018. Picture taken on May 22, 2018. REUTERS/Adrees Latif

75th Golden Globe Awards – Photo Room – Beverly Hills, California, U.S., 07/01/2018 – Saoirse Ronan poses backstage with her award for Best Performance by an Actress in a Motion Picture - Musical or Comedy for "Ladybird." REUTERS/Lucy Nicholson

75th Golden Globe Awards – Photo Room – Beverly Hills, California, U.S., 07/01/2018 – Saoirse Ronan poses backstage with her award for Best Performance by an Actress in a Motion Picture - Musical or Comedy for "Ladybird." REUTERS/Lucy Nicholson

75th Golden Globe Awards – Photo Room – Beverly Hills, California, U.S., 07/01/2018 – Saoirse Ronan poses backstage with her award for Best Performance by an Actress in a Motion Picture - Musical or Comedy for "Ladybird." REUTERS/Lucy Nicholson

A butterfly and a ladybird stand on a lavender flower in a countryside near Siena, Italy July 1, 2017. REUTERS/Stefano Rellandini

Ladybugs are seen in a park near Weiterstadt, Germany, April 4, 2017. REUTERS/Kai Pfaffenbach

A ladybird sits a plum tree at the Chino family farm in Rancho Santa Fe, California April 23, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: BUSINESS ENVIRONMENT AGRICULTURE FOOD)

Workers unwrap a giant model of a Stag Beetle as it arrives at Chester Zoo in northern England July 1, 2013. The beetle will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY ANIMALS)

Workers move the body of a model of a giant Tarantula spider as it arrives at Chester Zoo in northern England July 1, 2013. The spider will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY)

A worker unloads a giant Grasshopper from a container as it arrives at Chester Zoo in northern England July 1, 2013. The grasshopper will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY ANIMALS)

Workers move the body from a model of a giant Tarantula spider as it arrives at Chester Zoo in northern England July 1, 2013. The spider will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY)

Workers push a set of giant Butterfly wings through the grounds of Chester Zoo in northern England July 1, 2013. The butterfly will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY)

Workers push a set of legs from a model of a giant Tarantula spider as they arrive at Chester Zoo in northern England July 1, 2013. The spider will form part of an exhibition featuring 13 giant robotic replicas including scorpions and ladybirds. REUTERS/Phil Noble (BRITAIN - Tags: ENVIRONMENT SOCIETY)

A Papaver commutatum 'Ladybird' plant is seen during media day at the Chelsea Flower Show in London May 20, 2013. The annual show opens to the public on Tuesday. REUTERS/Stefan Wermuth (BRITAIN - Tags: ENTERTAINMENT ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY)

An employee operates a combine to harvest wheat at a field, owned by "Ternovskoye" collective farm, with a ladybird sitting on a wheat stalk, near the village of Trunovskoye, some 60 km (37 miles) north of Russia's southern city of Stavropol July 11, 2012. REUTERS/Eduard Korniyenko (RUSSIA - Tags: AGRICULTURE ANIMALS)

A ladybird rests on an apple at Ampleforth Abbey in Ampleforth, northern England, September 21, 2011. The orchard has 2,500 apple trees from which 25,000 litres of cider a year is produced and sold in local outlets to help finance the Abbey. REUTERS/Nigel Roddis (BRITAIN - Tags: ENVIRONMENT BUSINESS SOCIETY RELIGION)

A ladybug crawls down a stalk of wheat ready for harvest on the Canadian prairies near Vulcan, Alberta, September 7, 2011. Canada's overall stockpile of wheat as of July 31 dropped by 8.2 percent from a year ago, a smaller decrease than traders had predicted, Statistics Canada data indicated. REUTERS/Todd Korol (CANADA - Tags: AGRICULTURE FOOD BUSINESS COMMODITIES)

A ladybird is seen on a stalk of wheat in Les Essarts western France July 3, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: ANIMALS ENVIRONMENT SOCIETY)

A bumble bee is seen on a sunflower as a ladybug sits on a petal in central London September 4, 2009. REUTERS/Toby Melville (BRITAIN ENVIRONMENT SOCIETY IMAGES OF THE DAY)

A ladybird is seen in a field of rye near Bedkowice, close to Krakow, June 12, 2009. REUTERS/Kacper Pempel (POLAND ENVIRONMENT AGRICULTURE ANIMALS IMAGES OF THE DAY)

A ladybug rests on a grass blade in Medvode June 2, 2009. REUTERS/Srdjan Zivulovic (SLOVENIA SOCIETY ANIMALS ENVIRONMENT)

A ladybird rests on a plant in a public park in Amman May 6, 2008. REUTERS/Ali Jarekji (JORDAN)

A miniature figure called "Aircraft Carriers" by Russian artist Vladimir Aniskin is on display at the Museum of Microminiature in St Petersburg March 6, 2008. The beetle is studded with miniature American aircrafts and miniature Russian jets are attached to the back of the ladybird in the composition that is about 1.5 cm wide. REUTERS/Alexander Demianchuk (RUSSIA)

A bust of Lady Bird Johnson stands inside the LBJ Presidential Libray in Austin, Texas July 11, 2007. The library is closed to prepare for the the funeral of the former First Lady, who died on Wednesday at the age of 94, to lie in repose there before burial on the Johnson Family Ranch in Stonewall, Texas. REUTERS/Peter A. Silva (UNITED STATES)

Dusk falls at the LBJ Presidential Libray in Austin, Texas, July 11, 2007 where plans are under way to celebrate the life and mark the death of former First Lady Lady Bird Johnson. Lady Bird Johnson died on Wednesday at the age of 94 and will be buried on the Johnson Family Ranch in Stonewall, Texas. REUTERS/Peter A. Silva (UNITED STATES)

The cortege of former first lady Lady Bird Johnson passes by the State Capitol building in Austin, Texas July 15, 2007. Lady Bird Johnson died Wednesday, July 11, 2007 at the age of 94. REUTERS/Peter Silva (UNITED STATES)

Reverend Richard Elwood addresses a crowd of family and friends at a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Lynda Robb (L), daughter of former first lady Lady Bird Johnson, and her husband Charles Robb pay their last respects at a private burial ceremony in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Luci Baines Johnson (R), daughter of former first lady Lady Bird Johnson, and her husband Ian Turpin pay their last respects at a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Family members hold hands in prayer during a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Family members pay their last respects at a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Luci Baines Johnson (L), daughter of former first lady Lady Bird Johnson, hugs Patrick Nugent, Lady Bird's only grandson, during a private burial ceremony in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Family members watch as the casket of former first lady Lady Bird Johnson is carried to the burial site for a private burial at the Johnson Family Ranch in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Luci Baines Johnson hugs her granddaughter in front of her mother's coffin as the family pays their last respects at a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Jennifer Robb (L) wipes away tears as the family pays their last respects at a private burial for former first lady Lady Bird Johnson in Stonewall, Texas July 15, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

People line the highway and wave as the ceremonial cortege of former first lady Lady Bird Johnson passes in Austin, Texas, July 15, 2007. Lady Bird Johnson died at the age of 94 on Wednesday. REUTERS/Peter Silva (UNITED STATES)

Tom Johnson, the former head of CNN and a staffer for former U.S. President Lyndon Johnson during the White House years, touches the casket of former first lady Lady Bird Johnson during funeral services at the Riverbend Centre in Austin, Texas, July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES)

Lynda Johnson Robb talks about her mother, former U.S. first lady Lady Bird Johnson, during funeral services at Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died at the age of 94 on July 11. REUTERS/Deborah Cannon/Pool (UNITED STATES)

Members of the Johnson family stand together as the casket of former U.S. first lady Lady Bird Johnson is escorted from the sanctuary of Riverbend Centre during funeral services in Austin, Texas, July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Rodolfo Gonzalez/Pool (UNITED STATES)

Luci Baines Johnson applauds after asking former secret service agents for late U.S. first lady Lady Bird Johnson to stand so they could be acknowledged during her speech at the funeral service for the former first lady at Riverbend Church in Austin, Texas, July 14, 2007. Lady Bird Johnson died at the age of 94 on July 11. REUTERS/Deborah Cannon/Pool

Lady Bird Johnson's granddaughter, Catherine Robb (R), gives her sister Lucinda Robb a kiss following her speech at the funeral service for former U.S. first lady Lady Bird Johnson at Riverbend Church on Saturday, July 14, 2007. Johnson died at the age of 94 on July 11. REUTERS/Deborah Cannon/Pool (UNITED STATES)

U.S. Senator Kay Bailey Hutchison (L) gives the 'Hook 'em horns' sign at the close of funeral services for former U.S. first lady Lady Bird Johnson at Riverbend Church in Austin, Texas, July 14, 2007. Lady Bird Johnson died at the age of 94 on July 11. REUTERS/Deborah Cannon/Pool

Luci Baines Johnson reacts as her sister Lynda Johnson Robb (not pictured) talks about her during Robb's speech in honor of their mother, former U.S. first lady Lady Bird Johnson, during funeral services at Riverbend Church in Austin, Texas, July 14, 2007. Lady Bird Johnson died at the age of 94 on July 11. REUTERS/Deborah Cannon/Pool (UNITED STATES)

Former first Lady Barbara Bush (L) and Susan Ford, daughter of former President Gerald Ford, attend a funeral service for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Lynda Johnson Robb (L) pauses for a moment at the casket of her mother, former U.S. first lady Lady Bird Johnson, as sister Luci Baines Johnson (R) looks on during funeral services at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Roldolfo Gonzalez/Pool (UNITED STATES)

Lynda Johnson Robb places her hands on the casket of her mother, former U.S. first lady Lady Bird Johnson, during funeral services at the Riverbend Centre in Austin, Texas, July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES

Lynda Robb (L) applauds as her sister Luci Baines Johnson (C) kisses her mother's casket during a funeral service for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES)

Luci Baines Johnson kisses the casket of her mother, former U.S. first lady Lady Bird Johnson, as Lynda Johnson Robb (L) watches during funeral services and tribute held at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES)

Lynda Robb places her hands on her mother's coffin during funeral services for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

The VIP section at the funeral for Lady Bird Johnson is pictured at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES)

(L-R) U.S. first lady Laura Bush, former President Bill Clinton, and former first lady and presidential hopeful Hillary Clinton react to a remembrance speech during a funeral service for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Luci Baines Johnson walks past dignitaries after delivering family remarks at a funeral service for her mother, former first lady Lady Bird Johnson, in Austin, Texas July 14, 2007. Lady Bird Johnson died Wednesday, July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Lynda Robb (L) hugs her sister Luci Baines Johnson (R) after delivering her family remembrance remarks at a funeral service for their mother, former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

A military honor guard carries the casket of former U.S. first lady Lady Bird Johnson following funeral services at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Members of the Johnson family watch as a military honor guard carries the casket of former U.S. first lady Lady Bird Johnson following funeral services at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Rodolfo Gonzalez/Pool (UNITED STATES)

(L-R) Former President Jimmy Carter smiles as first lady Laura Bush makes the University of Texas "hook-em horns" gesture while singing along to the school's anthem as former President Bill Clinton and former First Lady and presidential hopeful Hillary Clinton smile during a funeral service for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/Pool/David J. Phillip (UNITED STATES)

Lynda Robb (L) applauds as her sister Luci Baines Johnson (C) kisses her mother's coffin during a funeral service for former first lady Lady Bird Johnson in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11, 2007 at the age of 94. REUTERS/David J. Phillip/Pool (UNITED STATES)

Former U.S. President Jimmy Carter greets former first lady Nancy Reagan at the funeral service for former first lady Lady Bird Johnson at Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Deborah Cannon/Pool (UNITED STATES)

Luci Baines Johnson (L) kisses the casket of her mother, former U.S. first lady Lady Bird Johnson, as Lynda Johnson Robb (R) watches during funeral services and tribute held at the Riverbend Centre in Austin, Texas July 14, 2007. Lady Bird Johnson died on July 11 at the age of 94. REUTERS/Ralph Barrera/Pool (UNITED STATES)